SynBio Vitamin D3 400 IU
Trusted Daily Support for Immunity, Bones & Wellbeing
Experience the gold standard in daily vitamin D supplementation with SynBio Vitamin D3 400 IU (10 µg). Formulated to meet Public Health England's recommended daily intake, this premium-quality supplement supports your immune system, bone health, and overall vitality.
Why Choose SynBio Vitamin D3?
Pharmaceutical-Grade Quality
Manufactured in our own UK-based GMP-certified facility, ensuring strict quality control and product integrity.Clean, Hypoallergenic Formula
Free from gluten, dairy, soy, nuts, artificial colours, preservatives, and fillers.Vegan & Halal Certified
Approved by The Vegetarian Society and Halal Monitoring Committee, suitable for a wide range of dietary needs.Independent Batch Testing
Every batch is independently tested for purity and potency, providing transparency and trust.
Key Benefits:
Immune System Support
Vitamin D contributes to the normal function of the immune system, helping to protect your body against everyday challenges.Bone and Muscle Health
Supports the maintenance of normal bones and muscle function, promoting overall mobility and strength.Calcium and Phosphorus Absorption
Aids in the normal absorption and utilisation of calcium and phosphorus, essential for bone health.
Who Should Consider Supplementing?
Public Health England recommends daily vitamin D supplementation, especially during the autumn and winter months.
Supplementation is particularly important for individuals who:
Spend limited time outdoors
Have darker skin tones
Are over the age of 65s
Wear clothing that covers most of the skin
SynBio Vitamin D3 400 IU is your reliable partner for daily health and wellbeing.
Bulking Agent: Microcrystalline cellulose, Vitamin D3 (Cholecalciferol, Maltodextirin, Starch, Sucrose), Anti-Caking Agent: Magnesium stearate.
Outer Capsule Shell: Hydroxypropyl methylcellulose.






































