Bioactive B2: The bioactive and coenzymated form of vitamin B2 (Riboflavin 5’-Phosphate), readily absorbed and used by the body. Riboflavin serves as a vital cofactor for the activation and conversion of other B vitamins such as niacin (B3) and vitamin B6 Energy, Metabolism & Nervous System: Riboflavin contributes to normal energy-yielding metabolism, normal functioning of the nervous system, and helps to reduce tiredness and fatigue Optimal Supplementation: Thorne’s Riboflavin 5′-Phosphate, not derived from yeast, provides a scientifically-validated and optimally absorbed form of vitamin B2 Free From: Every Thorne product is made with the purest possible ingredients—free from gluten, soy, dairy, shellfish, fish, and artificial additives Science-Backed & GMP Certified: Every Thorne supplement is crafted using evidence-based research, GMP-certified manufacturing, third-party testing, and with a commitment to product purity and safety, supporting individual wellbeing
All merchants
- Oak Furniture Superstore
- Mifica Products
- Roofing Superstore
- Play Press Toys
- Vocalzone
- Startselect
- Craftiosity
- Showery
- Spartoo
- Cookinglife
- Limepack
- Fitness Options
- Vevor
- Safetrade247
- Perfume Click
- Welzo
- My Jewellery
- The Towel Shop
- Phones Direct
- Healthspan
- SodaStream
- Escentual
- FabFinds
- Simply LED
- Pill Sphere
- Bugaboo
- Gemondo Jewellery
- ManoMano
- Horseflex
- Perfume Price