Thorne Riboflavin 5'-Phosphate
Water-soluble · R5P active form

Thorne Riboflavin 5′-Phosphate

Riboflavin-5′-phosphate (R5P) active form. Shortlisted as the coenzyme B2 lane.

Affiliate link via /go/b2-thorne-r5p (ASIN B0797MLY4M). Prefer Amazon.com or the brand-authorized seller. Confirm milligrams on the live label. Not medical advice.

Listing snapshot

ASIN
B0797MLY4M
Class
Vitamins · Vitamin B2 · R5P active form
Form
Capsule; R5P ~36.5 mg class per brand label
Best for
When you want R5P named
Not for
Assuming active form replaces food or labs

Why it is on the shortlist

Four Vitamin B2 lanes separate form and dose honesty. Map: Vitamin B2. Related: NOW Vitamin B-2 100 mg.

Boundaries

R5P vs free riboflavin is form honesty. Do not stack all four B2 lanes.