Due in stock end of October 2026. Pre-order now and we'll dispatch as soon as it arrives.
Why Take Vitamin D?
Dr Marks Vitamin D3 4000IU pairs a high-strength dose of D3 with Vitamin K2 — vitamin D and vitamin K both contribute to the maintenance of normal bones.
Why add K2?
Vitamin D contributes to the normal absorption and utilisation of calcium, and vitamin K contributes to the maintenance of normal bones. We include 100µg of vitamin K2 as menaquinone-7 (MK-7) in every capsule.
Key Benefits
- Bone & Teeth Support — Vitamin D contributes to the maintenance of normal bones and teeth; vitamin K contributes to the maintenance of normal bones
- Immune System — Vitamin D contributes to the normal function of the immune system
- Muscle Function — Vitamin D contributes to the maintenance of normal muscle function
- Calcium & Phosphorus Absorption — Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus, and normal blood calcium levels
- Blood Clotting — Vitamin K contributes to normal blood clotting
Why Dr Marks?
Ours provides 100µg (4,000 IU) vitamin D3 with 100µg vitamin K2 (MK-7). 100µg is the maximum daily amount of vitamin D for adults. It's formulated by GPs.
Directions
Take one capsule daily with food. Suitable for adults. Contains vitamin K. If you take anticoagulant medicine such as warfarin, speak to your GP or pharmacist before taking this product. Speak to your GP before use if you have a condition affecting calcium levels, such as hyperparathyroidism or sarcoidosis, or if you are pregnant or breastfeeding.
Do 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.
