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Thorne - Riboflavin 5'-Phosphate

Thorne - Riboflavin 5'-Phosphate

60 servings per container: $0.48 / serving
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  • Active riboflavin as R5P (riboflavin 5'-phosphate): Bioactive tissue-ready form — no conversion needed.
  • Vitamin B6 activation cofactor: Necessary for the body to activate vitamin B6.*
  • Tryptophan-to-niacin and folate activation: Necessary for these conversions.*
  • Fat, glucose, and hormone metabolism: Roles in cellular energy, red blood cell synthesis, and hormone regulation.*
  • Methylation support: Supports healthy methylation pathways.*
  • Not yeast-derived, third-party tested: Verified against label claims; free of unsafe contaminant levels.

Thorne Riboflavin 5'-Phosphate delivers vitamin B2 as R5P — the bioactive, tissue-ready form that doesn't require conversion in the body. Riboflavin is essential for activating vitamin B6, converting tryptophan to niacin, activating folate, and supporting fat and glucose metabolism, red blood cell synthesis, and healthy methylation.*

Key features of Thorne - Riboflavin 5'-Phosphate include:
• Bioactive R5P — tissue-ready form requiring no conversion
• Cofactor for vitamin B6 activation, tryptophan-to-niacin, and folate activation*
• Supports fat and glucose metabolism, red blood cell synthesis*
• Supports healthy methylation pathways*
• Not yeast-derived; third-party tested and certified

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Q: What is Riboflavin 5'-Phosphate?
A: R5P is the active bioactive form of vitamin B2. Riboflavin must be converted to R5P for use — R5P bypasses that conversion.

Q: Why the active form?
A: Compromised digestion or certain prescription medications can affect riboflavin-to-R5P conversion or absorption. R5P provides tissue-ready supplementation.

Q: What are the main functions?
A: B6 activation; tryptophan-to-niacin conversion; folate activation; fat/glucose metabolism; red blood cell synthesis; methylation; hormone regulation.

Q: Is it derived from yeast?
A: No. Not yeast-derived.

Q: How should I take Riboflavin 5'-Phosphate?
A: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

All purchases accumulate points which be can used to redeem for discounts on all items in our rewards collection. Enroll or view your current rewards balance here.

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DESCRIPTION

Thorne Riboflavin 5'-Phosphate delivers vitamin B2 as R5P — the bioactive, tissue-ready form that doesn't require conversion in the body. Riboflavin is essential for activating vitamin B6, converting tryptophan to niacin, activating folate, and supporting fat and glucose metabolism, red blood cell synthesis, and healthy methylation.*

Key features of Thorne - Riboflavin 5'-Phosphate include:
• Bioactive R5P — tissue-ready form requiring no conversion
• Cofactor for vitamin B6 activation, tryptophan-to-niacin, and folate activation*
• Supports fat and glucose metabolism, red blood cell synthesis*
• Supports healthy methylation pathways*
• Not yeast-derived; third-party tested and certified

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FAQ

Q: What is Riboflavin 5'-Phosphate?
A: R5P is the active bioactive form of vitamin B2. Riboflavin must be converted to R5P for use — R5P bypasses that conversion.

Q: Why the active form?
A: Compromised digestion or certain prescription medications can affect riboflavin-to-R5P conversion or absorption. R5P provides tissue-ready supplementation.

Q: What are the main functions?
A: B6 activation; tryptophan-to-niacin conversion; folate activation; fat/glucose metabolism; red blood cell synthesis; methylation; hormone regulation.

Q: Is it derived from yeast?
A: No. Not yeast-derived.

Q: How should I take Riboflavin 5'-Phosphate?
A: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

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  • Earn 40 points for every $1 spent equaling 5% cash back
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