Formulated by Practising UK GPs • Birthday Club

A £5 Birthday Credit from Dr Mark & Dr Marc

Add your birth day and month in 10 seconds — no password or account login needed. Each year on your birthday, we’ll email you a personal £5 Birthday Credit voucher valid for 7 days on any one-time order of £20 or more across our 10 individual supplements.

Dr Marks Official Birthday Voucher Valid for 7 Days • £20+ One-Time Order

£5.00 OFF

Delivered by email on your birthday. Redeemable on any one-time purchase of £20+ across all 10 individual GP-formulated supplements.

Illustrated portrait of Dr Mark Wilshere and Dr Marc Crutchley, Practising UK GPs

“Whether you take our supplements every month or are looking to try something new from our range, we’d love to send you a £5 Birthday Credit on your birthday.”

Dr Mark Wilshere & Dr Marc Crutchley — Co-Founders & Practising UK GPs

Add Your Birthday

Works for both existing subscribers and new visitors — no password required.

Email Address (required — use your subscriber email)

First Name (required)

Last Name (required)

Your Birth Day & Month (required — no birth year needed)

We only ask for your birth day and month (never your birth year) so we know when to email your £5 Birthday Credit.

Already on Subscribe & Save? Since you already save 15% on your regular subscription deliveries, your £5 Birthday Credit is the ideal way to try a different Dr Marks supplement from our range as a one-time order of £20+.

How Your £5 Birthday Credit Works

Simple, transparent terms designed for both one-time shoppers and existing Subscribe & Save members.

10-Second Form (No Login Needed)

Enter your email address and select your birth day (01–31) and birth month (Jan–Dec) above. Your birthday tag (birthday-MM-DD) is automatically saved to your profile without needing an account password.

£5 Off (£20+ One-Time Order)

On your birthday, we’ll email you a personal £5 Birthday Credit voucher valid for 7 days on any one-time purchase of £20.00 or more across our 10 individual supplements.

Great for Subscribe & Save Members

Already saving 15% on a recurring subscription? Use your £5 Birthday Credit to try a new GP-formulated supplement from our range as a one-time order of £20 or more.

Birthday Club Terms & Conditions: Valid for 7 days from issue for £5.00 off any one-time purchase of £20.00 or more across our 10 individual supplements (Men’s Daily Multivitamin, Women’s Daily Multivitamin, Over 50s Daily Multivitamin, Pregnancy Multivitamin, Triple Magnesium Complex, Omega 3 Fish Oil 1000mg, Vitamin D3 + K2, Triple Vitamin B12, Vitamin B Complex, and Dual Vitamin C + Zinc). Strictly one birthday registration and one £5 Birthday Credit per person per year (locked to your customer account); duplicate registrations under the same name, household address, phone number, or email alias are automatically flagged and held for manual review. Cannot be combined with Subscribe & Save recurring orders, already-discounted bundles, or other discount codes.