SynBio Sport - Vitamin D3 4K
Max Strength Vitamin D3 for Peak Performance
Train hard. Recover smart. Stay at the top of your game.
SynBio Sport 4K delivers the maximum daily dose of Vitamin D3 (4000 IU) in a clean, pharmacist-formulated capsule designed specifically for active bodies. Whether you're chasing PBs or pushing through plateaus, this high-strength supplement fuels your muscles, bones, and immune system — all without compromise.
What It Does:
- Stronger Bones & MusclesVitamin D3 plays a key role in calcium absorption, helping you build and maintain powerful bones and support explosive muscle performance.
- Immune Support for AthletesIntense training can challenge your immunity. This high-dose formula keeps your defences strong — so you don’t lose progress to sick days.
- Faster Recovery, Fewer Niggles
- Maintaining optimal vitamin D levels supports post-workout repair and reduces inflammation linked to muscle soreness or injury risk.
- Vegan-Certified CholecalciferolSourced from plant-based lichen — not lanolin — it’s ideal for vegan athletes or anyone looking for a cleaner, conscious formula.
Why Choose SynBio Sport 4K?
- Max Legal Daily Dose (4000 IU) – Go as strong as the guidelines allow for maximum performance benefit
- LGC Banned-Substance Tested – Trusted by elite athletes and safe for drug-tested sport
- Pharmacist-Formulated & UK Made – Developed by experts, manufactured to GMP standards
- Halal Certified & Allergy Friendly – Free from gluten, dairy, soy, and artificial fillers
Power your performance with the sunshine vitamin your body demands.Whether you're lifting, sprinting, cycling or recovering, SynBio Sport 4K helps you stay strong, resilient, and ready for whatever challenge comes next.
SynBio Sport - Vitamin D3 4K (4000 IU) is LGC certified as approved for use by aspiring athletes and elite professionals.
LGC’s world-class sports anti-doping laboratory, Sport and Specialised Analytical Services, can confirm that this product has been tested for a wide range of substances banned by the World Anti-Doping Agency (WADA) that could cause an athlete to fail a doping test.
Expertly manufactured by Synergy Biologics in the United Kingdom (Certified GMP / ISO / BRC). Every batch is externally tested by a third-party independent UK laboratory.
Bulking Agent: Microcrystalline cellulose, Vitamin D3 (Cholecalcifero rich lichen extract, Fractionated coconut oil, Corn syrup, Mono & diglycerides of fatty acids, Silicon dioxide, Antioxidants: D-a-Tocopheral, Sodium ascorbate), Anti-Caking Agent: Magnesium stearate, Folic acid.
Outer Capsule Shell: Hydroxypropyl methylcellulose.
