{"title":"Energy \u0026 Tiredness Support","description":"\u003cp\u003eExplore our range of food supplements formulated by practising UK GPs for adults looking for daily energy-yielding metabolism and tiredness support. Every product in this collection provides nutrients with authorised UK health claims: vitamins B2, B3, B5, B6, B12, folate, vitamin C, iron and magnesium contribute to the reduction of tiredness and fatigue, while vitamins B1, B2, B3, B5, B6, B12, biotin, vitamin C, iron, iodine and magnesium contribute to normal energy-yielding metabolism. Choose from targeted single supplements including Triple Magnesium, Triple B12 and Vitamin B Complex, our daily life-stage multivitamins, or the Energy \u0026amp; Wellbeing Bundle. Persistent tiredness can have many medical causes, so always speak to your GP if fatigue is ongoing or unexplained. Food supplements should not replace a varied, balanced diet and a healthy lifestyle. Free UK delivery on orders over £30.\u003c\/p\u003e","products":[{"product_id":"multivitamins-for-him","title":"Men's Daily Multivitamin – Doctor Formulated","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMultivitamins for Him\u003c\/strong\u003e\u003c\/span\u003e is our daily multivitamin for men, built around energy metabolism, immune support and the nutrients men are typically short on, with a lower iron dose suited to men. Formulated by GPs.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZinc as bisglycinate (15mg, 150% NRV) — contributes to normal fertility and reproduction, the maintenance of normal testosterone levels in the blood, normal protein synthesis, and the normal function of the immune system.\u003c\/li\u003e\n\u003cli\u003eSelenium (82.5µg, 150% NRV) — contributes to normal spermatogenesis, normal thyroid function and protection of cells from oxidative stress.\u003c\/li\u003e\n\u003cli\u003eVitamin B6 (P5P), vitamin B12 (methylcobalamin) and folate (methylfolate) — vitamins B6 and B12 contribute to normal energy-yielding metabolism; vitamin B6, vitamin B12 and folate contribute to the reduction of tiredness and fatigue and to normal psychological function.\u003c\/li\u003e\n\u003cli\u003eIron kept sensible (9mg, 64% NRV) — iron contributes to normal energy-yielding metabolism.\u003c\/li\u003e\n\u003cli\u003eVitamin D3 (25µg, 500% NRV) and K2 (75µg) — vitamin D contributes to the maintenance of normal bones and normal muscle function and to the normal function of the immune system; vitamin K contributes to the maintenance of normal bones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhy Dr Marks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe adjusted the dosing for men — sensible iron, meaningful zinc and selenium, and active forms throughout (methylfolate, methylcobalamin, P5P, chelated bisglycinate minerals). No unnecessary bulking agents or fillers, in a vegetable HPMC capsule.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDirections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTake one capsule daily, ideally with food and a glass of water. Take one Dr Marks multivitamin only, and do not exceed the stated dose. 60 capsules per pouch. Suitable for vegetarians. Contains beta-carotene. Not suitable for smokers or people exposed to asbestos. Contains vitamin K. If you take anticoagulant medicine such as warfarin, speak to your GP or pharmacist before taking this product. If you take levothyroxine, take this product at least 4 hours apart. Leave at least 2 to 3 hours between this product and tetracycline or quinolone antibiotics, bisphosphonates, or levodopa. Not suitable for people with haemochromatosis unless advised by their doctor. If you take another mineral or vitamin supplement, check with your GP or pharmacist. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":39689495150786,"sku":"5065004576130","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/HimFront.png?v=1785971939"},{"product_id":"multivitamins-for-her","title":"Women's Daily Multivitamin – Doctor Formulated","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMultivitamins for Her\u003c\/strong\u003e\u003c\/span\u003e is our daily multivitamin for women, built around the nutrients women most commonly run low on — iron, iodine, folate and the B-vitamins — at meaningful doses. Formulated by GPs.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIron (18mg, 129% NRV) as ferrous bisglycinate — contributes to normal formation of red blood cells and haemoglobin, normal oxygen transport in the body, normal cognitive function, the normal function of the immune system and the reduction of tiredness and fatigue.\u003c\/li\u003e\n\u003cli\u003eFolate (300µg, 150% NRV) as active methylfolate (5-MTHF) — contributes to normal blood formation, the normal function of the immune system and the reduction of tiredness and fatigue.\u003c\/li\u003e\n\u003cli\u003eIodine (187.5µg, 125% NRV) — contributes to normal thyroid function and normal cognitive function.\u003c\/li\u003e\n\u003cli\u003eBiotin (200µg, 400% NRV) — contributes to the maintenance of normal hair and skin, and normal energy-yielding metabolism.\u003c\/li\u003e\n\u003cli\u003eZinc (12.5mg, 125% NRV) as bisglycinate — contributes to normal fertility and reproduction, the normal function of the immune system, and the maintenance of normal skin, hair and nails.\u003c\/li\u003e\n\u003cli\u003eVitamin D3 (25µg, 500% NRV) — contributes to the normal function of the immune system and the maintenance of normal bones. Vitamins B6, B12 and folate contribute to the normal function of the immune system; thiamin, riboflavin, niacin, pantothenic acid, vitamin B6, vitamin B12 and biotin contribute to normal energy-yielding metabolism.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhy Dr Marks?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe use active forms throughout — methylfolate, methylcobalamin, P5P and chelated minerals — at NRV levels chosen for the nutrients women are most likely to need. No titanium dioxide, no artificial colours and no unnecessary bulking agents or fillers, in a vegetable HPMC capsule.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to use\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTake one capsule daily, ideally with food and a glass of water. Take one Dr Marks multivitamin only, and do not exceed the stated dose. 60 capsules per pouch. Contains beta-carotene. Not suitable for smokers or people exposed to asbestos. Contains vitamin K. If you take anticoagulant medicine such as warfarin, speak to your GP or pharmacist before taking this product. If you take levothyroxine, take this product at least 4 hours apart. Contains biotin (200µg), which can interfere with some laboratory blood tests (such as thyroid hormone tests) — let your doctor or clinic know before having a blood test. Leave 2 to 3 hours between this product and tetracycline or quinolone antibiotics, bisphosphonates, or levodopa. Not suitable for people with haemochromatosis unless advised by their doctor. Not intended for use during pregnancy or breastfeeding — see our dedicated Pregnancy Multivitamin instead. If you already take an iron supplement, check with your GP or pharmacist. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":39712120307906,"sku":"5065004576147","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/HerFront.png?v=1785971875"},{"product_id":"over-50s-multivitamin","title":"Over 50s Multivitamin \u0026 Mineral Food Supplement – 60 Vegetarian Capsules","description":"\u003cstyle\u003e\n  .rte table { table-layout: auto !important; width: 100% !important; border-collapse: collapse; }\n  .rte table th, .rte table td { padding: 8px 10px !important; vertical-align: top; }\n  .dmq-launcher { max-width: calc(100vw - 195px) !important; }\n  @media only screen and (max-width: 768px) {\n    .dmq-launcher { left: 12px !important; bottom: 18px !important; padding: 9px 13px !important; border-radius: 50px !important; }\n    .dmq-launcher-title { font-size: 12.5px !important; line-height: 1.2 !important; }\n    .dmq-launcher-meta { display: none !important; }\n  }\n\u003c\/style\u003e\u003cp\u003eA daily multivitamin and mineral food supplement for adults over 50. One vegetarian capsule a day.\u003c\/p\u003e\n\u003ch2\u003eNutrition and health claims\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVitamins B2, B3 (niacin), B6 and B12 contribute to the reduction of tiredness and fatigue\u003c\/li\u003e\n\u003cli\u003eVitamins B1, B2, B3, B6 and B12 contribute to normal energy-yielding metabolism\u003c\/li\u003e\n\u003cli\u003eVitamin C, vitamin D, zinc and selenium contribute to the normal function of the immune system\u003c\/li\u003e\n\u003cli\u003eVitamin D contributes to the maintenance of normal bones and normal muscle function\u003c\/li\u003e\n\u003cli\u003eZinc and iron contribute to normal cognitive function\u003c\/li\u003e\n\u003cli\u003eThiamin contributes to the normal function of the heart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's inside\u003c\/h2\u003e\n\u003cp\u003eVitamins A (as beta-carotene), B-complex, C, D3, E and K2, plus zinc, iron and selenium, with CoQ10, lutein, zeaxanthin and L-glutathione.\u003c\/p\u003e\n\u003ch2\u003eNutritional information per capsule\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eNutrient\u003c\/th\u003e\n\u003cth\u003ePer capsule\u003c\/th\u003e\n\u003cth\u003e%NRV\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeta-carotene\u003c\/td\u003e\n\u003ctd\u003e2mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThiamin (vitamin B1)\u003c\/td\u003e\n\u003ctd\u003e1.65mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiboflavin (vitamin B2)\u003c\/td\u003e\n\u003ctd\u003e2.1mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNiacin (vitamin B3)\u003c\/td\u003e\n\u003ctd\u003e24mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePantothenic acid (vitamin B5)\u003c\/td\u003e\n\u003ctd\u003e9mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin B6\u003c\/td\u003e\n\u003ctd\u003e2.1mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBiotin (vitamin B7)\u003c\/td\u003e\n\u003ctd\u003e75µg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFolate (vitamin B9, as methylfolate)\u003c\/td\u003e\n\u003ctd\u003e300µg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin B12 (as methylcobalamin)\u003c\/td\u003e\n\u003ctd\u003e10µg\u003c\/td\u003e\n\u003ctd\u003e400%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin C\u003c\/td\u003e\n\u003ctd\u003e120mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin D3 (1,000 IU)\u003c\/td\u003e\n\u003ctd\u003e25µg\u003c\/td\u003e\n\u003ctd\u003e500%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin E (natural D-alpha tocopheryl succinate)\u003c\/td\u003e\n\u003ctd\u003e18mg (27 IU)\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitamin K2 (MK-7)\u003c\/td\u003e\n\u003ctd\u003e75µg\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoron\u003c\/td\u003e\n\u003ctd\u003e3mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChromium\u003c\/td\u003e\n\u003ctd\u003e60µg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003ctd\u003e1.5mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIodine\u003c\/td\u003e\n\u003ctd\u003e150µg\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIron\u003c\/td\u003e\n\u003ctd\u003e9mg\u003c\/td\u003e\n\u003ctd\u003e64%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManganese\u003c\/td\u003e\n\u003ctd\u003e3mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelenium\u003c\/td\u003e\n\u003ctd\u003e82.5µg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZinc\u003c\/td\u003e\n\u003ctd\u003e15mg\u003c\/td\u003e\n\u003ctd\u003e150%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCitrus bioflavonoids\u003c\/td\u003e\n\u003ctd\u003e36mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoenzyme Q10\u003c\/td\u003e\n\u003ctd\u003e100mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL-carnitine\u003c\/td\u003e\n\u003ctd\u003e30mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLutein\u003c\/td\u003e\n\u003ctd\u003e10mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZeaxanthin\u003c\/td\u003e\n\u003ctd\u003e2mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL-glutathione\u003c\/td\u003e\n\u003ctd\u003e20mg\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNRV = Nutrient Reference Value. – = no NRV established. 60 capsules per pouch.\u003c\/p\u003e\n\u003ch2\u003eHow to take\u003c\/h2\u003e\n\u003cp\u003eTake 1 capsule daily with water, with a meal. Take one Dr Marks multivitamin only, and do not exceed the stated dose. If you have liver disease, or take other supplements containing manganese, check with your GP or pharmacist first. Contains beta-carotene. Not suitable for smokers or people exposed to asbestos. Contains vitamin K. If you take anticoagulant medicine such as warfarin, speak to your GP or pharmacist before taking this product. If you take levothyroxine, take this product at least 4 hours apart. Leave at least 2 to 3 hours between this product and tetracycline or quinolone antibiotics, bisphosphonates, or levodopa. Not suitable for people with haemochromatosis unless advised by their doctor. Do not exceed the recommended daily intake.\u003c\/p\u003e\n\u003ch2\u003eGood to know\u003c\/h2\u003e\n\u003cp\u003ePlant-based capsule. Made in the UK. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor or pharmacist before use. Keep out of reach of children.\u003c\/p\u003e\n\u003cp\u003eSilver, Best Multi Vitamin – Wellness from Within Awards 2024\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":43282886066370,"sku":"5065004576123","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/Over50sFront.png?v=1785971805"},{"product_id":"triple-b12","title":"Triple B12 Vitamin Food Supplement – 60 Vegetarian Capsules","description":"\u003cp\u003eA vitamin B12 food supplement combining three forms of vitamin B12 in one vegetarian capsule a day.\u003c\/p\u003e\n\u003ch2\u003eThree forms of vitamin B12\u003c\/h2\u003e\n\u003cp\u003eEach capsule provides 1,500µg vitamin B12 (60,000% NRV): 750µg methylcobalamin, 450µg adenosylcobalamin and 300µg cyanocobalamin. 60 capsules per pouch.\u003c\/p\u003e\n\u003ch2\u003eNutrition and health claims\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B12 contributes to the reduction of tiredness and fatigue\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to normal energy-yielding metabolism\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to normal functioning of the nervous system\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to normal psychological function\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to normal red blood cell formation\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to normal homocysteine metabolism\u003c\/li\u003e\n\u003cli\u003eVitamin B12 contributes to the normal function of the immune system\u003c\/li\u003e\n\u003cli\u003eVitamin B12 has a role in the process of cell division\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\u003cp\u003eVitamin B12 is found naturally mainly in foods of animal origin, so it is a popular choice for people following a vegetarian diet.\u003c\/p\u003e\n\u003ch2\u003eHow to take\u003c\/h2\u003e\n\u003cp\u003eTake 1 capsule daily with a meal. Do not exceed the recommended daily intake.\u003c\/p\u003e\n\u003ch2\u003eGood to know\u003c\/h2\u003e\n\u003cp\u003eSuitable for vegans and vegetarians. Made in the UK. Made in a factory that also handles milk, egg, fish and crustaceans. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor or pharmacist before use. Keep out of reach of children.\u003c\/p\u003e\n\u003cp\u003eBronze, Best Individual Vitamin – Wellness from Within Awards 2024\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":43282891178178,"sku":"5065004576062","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/B12Front.png?v=1785971749"},{"product_id":"triple-magnesium","title":"Triple Magnesium Food Supplement – Citrate, Glycinate \u0026 Malate – 90 Vegetarian Capsules","description":"\u003cp\u003eA magnesium food supplement combining three forms of magnesium – citrate, glycinate and malate – in a vegetarian capsule.\u003c\/p\u003e\n\u003ch2\u003eNutrition and health claims\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMagnesium contributes to a reduction of tiredness and fatigue\u003c\/li\u003e\n\u003cli\u003eMagnesium contributes to normal muscle function\u003c\/li\u003e\n\u003cli\u003eMagnesium contributes to normal functioning of the nervous system\u003c\/li\u003e\n\u003cli\u003eMagnesium contributes to normal psychological function\u003c\/li\u003e\n\u003cli\u003eMagnesium contributes to electrolyte balance\u003c\/li\u003e\n\u003cli\u003eMagnesium contributes to the maintenance of normal bones and teeth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat is in each capsule\u003c\/h2\u003e\n\u003cp\u003eOne capsule provides 96 mg magnesium (26% NRV). Two capsules provide 192 mg magnesium (51% NRV), from magnesium citrate, magnesium glycinate and magnesium malate. Vegetable cellulose capsule.\u003c\/p\u003e\n\u003ch2\u003eHow to take\u003c\/h2\u003e\n\u003cp\u003eTake one or two capsules daily with water. Do not exceed the recommended daily intake. 90 capsules per pouch. If you take levothyroxine, bisphosphonates (such as alendronic acid), or tetracycline or quinolone antibiotics, leave 2 to 4 hours between doses. Check with your GP or pharmacist first if you have kidney disease.\u003c\/p\u003e\n\u003ch2\u003eGood to know\u003c\/h2\u003e\n\u003cp\u003eFree from artificial colours and titanium dioxide. Suitable for vegans and vegetarians. Made in the UK. Made in a factory that also handles milk, egg, fish and crustaceans. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor or pharmacist before use. Keep out of reach of children.\u003c\/p\u003e\n\u003cp\u003eBronze, Best Individual Vitamin – Wellness from Within Awards 2024\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":43282893013186,"sku":"5065004576086","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/MgFront.png?v=1785971678"},{"product_id":"vitamin-b-complex","title":"Vitamin B Complex – High Strength Active B Vitamins","description":"\u003cp\u003eOur B Complex is a high-strength formula with active forms of vitamin B6, folate and vitamin B12.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll eight B-vitamins — contribute to normal energy-yielding metabolism, normal functioning of the nervous system, normal psychological function, and reduction of tiredness and fatigue.\u003c\/li\u003e\n\u003cli\u003eVitamin B12 as methylcobalamin. Vitamin B12 comes in several forms, including methylcobalamin, adenosylcobalamin and cyanocobalamin, all of which the body can use.\u003c\/li\u003e\n\u003cli\u003eVitamin B6 as P5P (Pyridoxal-5-Phosphate) — the metabolically active form, at 8mg (571% NRV).\u003c\/li\u003e\n\u003cli\u003eFolate as 5-MTHF (methyltetrahydrofolate) — folate contributes to normal psychological function and the reduction of tiredness and fatigue.\u003c\/li\u003e\n\u003cli\u003eCholine (82.2mg) and inositol (100mg) added alongside.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhy Dr Marks?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the active forms of B6, folate and B12, at high-strength doses.\u003c\/p\u003e\n\u003cp\u003eTake one capsule daily, ideally with food and a glass of water. B-vitamins are water-soluble with no established Tolerable Upper Intake Level for most forms used here; however, please check with your GP first if you take regular prescribed medication that can affect B-vitamin levels, or are on dialysis. Contains biotin (200µg), which can interfere with some laboratory blood tests (such as thyroid hormone tests) — tell your doctor or clinic you take this supplement before having a blood test. If you take anticonvulsant medication (such as phenytoin) or levodopa, check with your GP or pharmacist first. Suitable for vegans and vegetarians. Made in a factory that also handles milk, egg, fish and crustaceans. 60 capsules per pouch. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":43282915983554,"sku":"5065004576161","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/BComplexFront.png?v=1785971574"},{"product_id":"vitamin-c","title":"Dual Vitamin C with Zinc – 90 Vegetarian Capsules (Pre-order, due in stock end of October 2026)","description":"\u003cp\u003e\u003cstrong\u003eDue in stock end of October 2026. Pre-order now and we'll dispatch as soon as it arrives.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDual Vitamin C\u003c\/strong\u003e\u003c\/span\u003e — ascorbic acid and calcium ascorbate, with zinc\u003c\/p\u003e\n\u003cp\u003eEach capsule provides 500mg vitamin C (625% NRV), half as ascorbic acid and half as calcium ascorbate, with 10mg zinc (100% NRV) and 25mg citrus bioflavonoids. Take 1 or 2 capsules daily, depending on preference.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin C (500mg per capsule, 625% NRV) contributes to the normal function of the immune system, to normal collagen formation for the normal function of skin, gums, bones, cartilage and blood vessels, to normal energy-yielding metabolism, to the reduction of tiredness and fatigue and to the protection of cells from oxidative stress. Vitamin C increases iron absorption. Vitamin C contributes to maintaining the normal function of the immune system during and after intense physical exercise; the beneficial effect is obtained with a daily intake of 200mg in addition to the recommended daily intake of vitamin C, which 1 capsule provides.\u003c\/li\u003e\n\u003cli\u003ePer capsule: 250mg calcium ascorbate and 250mg ascorbic acid.\u003c\/li\u003e\n\u003cli\u003eCitrus Bioflavonoids (25mg per capsule; 50mg per 2 capsules) — naturally-occurring plant compounds included alongside the vitamin C, as they are found together in nature.\u003c\/li\u003e\n\u003cli\u003eZinc 10mg per capsule (100% NRV) as zinc bisglycinate. Zinc contributes to the normal function of the immune system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to take it\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTake 1 or 2 capsules daily, depending on preference, ideally with food and a glass of water. Do not take more than 2 capsules (1,000mg vitamin C) a day. 90 capsules per pouch. If you take levothyroxine, take this product at least 4 hours apart. Leave at least 2 to 3 hours between this product and tetracycline or quinolone antibiotics or bisphosphonates.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSuitability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for vegans and vegetarians (vegetable HPMC capsule). Made in a factory that also handles milk, egg, fish and crustaceans. Contains citrus (bioflavonoids), so please avoid if you have a citrus allergy. Please check the pack for the final allergen statement. If you have a history of kidney stones or haemochromatosis (iron overload), please check with your GP before taking high-dose vitamin C, as it increases iron absorption.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFood supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":43282927059138,"sku":"5065004576109","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/VitCFront.png?v=1785971391"},{"product_id":"energy-wellbeing-bundle","title":"Energy \u0026 Wellbeing Bundle (Pre-order)","description":"\u003cp\u003e\u003cstrong\u003ePre-order:\u003c\/strong\u003e one or more items in this bundle are on pre-order. We'll dispatch your bundle as soon as all items are in stock (due in stock end of October 2026).\u003c\/p\u003e\u003cp\u003eThree Dr Marks supplements: Triple Magnesium, Vitamin B Complex and Vitamin D3 + K2, together for less. Magnesium, riboflavin, niacin, pantothenic acid, vitamin B6, vitamin B12 and folate contribute to the reduction of tiredness and fatigue.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhat's in the bundle\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Magnesium Complex\u003c\/strong\u003e: 96mg magnesium per capsule (26% NRV); 2 capsules 192mg (51% NRV), from magnesium citrate, glycinate and malate. Vegetarian capsule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin B Complex\u003c\/strong\u003e: all eight B vitamins, including B6 as P5P 8mg (571% NRV), folate as 5-MTHF and B12 as methylcobalamin, plus choline and inositol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin D3 4,000 IU + K2\u003c\/strong\u003e: vitamin D3 100µg (4,000 IU) with vitamin K2 (MK-7) 100µg per capsule.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMagnesium contributes to a reduction of tiredness and fatigue, normal energy-yielding metabolism and normal muscle function.\u003c\/li\u003e\n\u003cli\u003eVitamins B2, B3, B5, B6 and B12 contribute to the reduction of tiredness and fatigue.\u003c\/li\u003e\n\u003cli\u003eVitamins B1, B2, B3, B6, B12 and biotin contribute to normal energy-yielding metabolism; B1, B3, B6, B12 and biotin contribute to normal psychological function.\u003c\/li\u003e\n\u003cli\u003eVitamin D contributes to the normal function of the immune system and the maintenance of normal bones and muscle function.\u003c\/li\u003e\n\u003cli\u003eVitamin K contributes to the maintenance of normal bones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhy Dr Marks?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eFormulated by GPs, using active forms where it matters, and bundled so you can save compared with buying each product separately.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDirections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTriple Magnesium Complex: One or two capsules daily with water.\u003c\/li\u003e\n\u003cli\u003eVitamin B Complex: One capsule daily with food and water.\u003c\/li\u003e\n\u003cli\u003eVitamin D3 4,000 IU + K2: One capsule daily with food.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDo not exceed the recommended dose of any product.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAll in plant-based capsules. Contains vitamin K. If you take anticoagulant medicine such as warfarin, speak to your GP or pharmacist before taking these products. Check with your GP or pharmacist first if you take anticoagulants such as warfarin or other medicines, or are pregnant or breastfeeding. If you take levothyroxine, bisphosphonates, or tetracycline\/quinolone antibiotics, leave 2 to 4 hours between doses, and check with your GP or pharmacist if you take thiazide diuretics, digoxin, or have kidney disease. Vitamin B Complex contains biotin (200µg), which can interfere with some laboratory blood tests (such as thyroid hormone tests) — tell your doctor or clinic you take this supplement before having a blood test, and check with your GP or pharmacist if you take anticonvulsant medication or levodopa. Persistent tiredness has many causes, so see your GP if it does not improve.\u003c\/p\u003e\u003cp\u003eDo not take alongside other vitamin D supplements or multivitamins containing vitamin D. 100µg (4,000 IU) is the maximum daily amount of vitamin D for adults.\u003c\/p\u003e\u003cp\u003eFood supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Keep out of reach of children.\u003c\/p\u003e","brand":"Dr Marks","offers":[{"title":"Default Title","offer_id":57666487976316,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/6182\/9058\/files\/energy-wellbeing-bundle.jpg?v=1792047371"}],"url":"https:\/\/drmarks.co.uk\/collections\/energy-and-tiredness.oembed","provider":"Dr Marks","version":"1.0","type":"link"}