Shopping Cart
The shopping cart is empty, go to the Supplements guide.
60 capsules: November 2025
Take one capsule per day during a meal with a glass of water.
Discount
Price per piece with purchase of:
| 1 | units: | ||
| 2 | units: | -5% | |
| 3 | units: | -10% | |
| 4 | units: | -15% | |
| 5 | units: | -20% | |
| 8 | units: | -25% |
kk
Thorne Vitamin B2 contains 36.5 mg Riboflavin-5-phosphate, the biologically active form of vitamin B2. This Thorne product is extremely pure and of high quality.
Riboflavin-5-phosphate is an important cofactor for the activation and conversion of other B vitamins.
| Product name: | Thorne Riboflavin 5 Phosphate |
| Content: | 60 vegetarian capsules |
Supplement Facts per capsule (Serving Size)
| Amount | RI † | |
| Vitamin B2 (riboflavin-5-phosphate) | 36,5 mg | 2607% |
Ingredients Vitamin b2, vegacap (hypromellose), filler (microcrystalline cellulose), anti-caking agent (silicon dioxide), emulsifier (calciumlaurate).
Explanation of the composition †RI stands for Reference Intake and replaces the RDA (Recommended Daily Allowance). RI is a guideline for the intake of vitamins and minerals in particular. RI and ADH are equal in number.
Suggested use
Take one capsule per day during a meal with a glass of water.
Stick to the recommended daily dosage, unless otherwise advised.
A varied, balanced diet and a healthy lifestyle are important. Nutritional supplements are not a substitute for a varied diet. More usage advice.
| This supplement is: |
| Suitable for vegetarians |
| Not suitable for vegans |
Storage advice Store in a cool, dry and dark place. Not in the refrigerator.
Keep out of reach of children.
Best by date 60 capsules: November 2025
Dietary supplement Vitamin supplement
Produced by Thorne Research Inc.
Summerville USA
For Smeets & Graas
G. Meirstraat 11
9728 TB Groningen
050 850 36 88
Thorne Vitamin B2 contains 36.5 mg Riboflavin-5-phosphate, the biologically active form of vitamin B2. This Thorne product is extremely pure and of high quality.
Riboflavin-5-phosphate is an important cofactor for the activation and conversion of other B vitamins.
| Allergy information | |
| Gluten | no |
| Shellfish | no |
| Eggs | no |
| Fish | no |
| Peanut | no |
| Soy | no |
| Milk (lactose) | no |
| Tree nuts | no |
| With sweetener(s) | no |
| With caffeine | no |
| Yeast | no |
| Lupine | no |
| Corn | no |
| Mustard | no |
| Rice | no |
| Celery | no |
| Sesame | no |
| Molluscs | no |
| Sulfur dioxide and sulfite | no |
| Coloring additives | no |
| Flavourings | no |
| Conservatives | no |
Deviations from the label It may happen that texts on our website differ from the texts on a product's label.
Health issues If you have health issues and/or are taking medication, always consult your doctor before taking certain supplements.
Pregnancy/breastfeeding, children If a product does not explicitly state that it is intended for pregnant or breastfeeding women, or children, we recommend consulting an expert first.
More information For more information on label discrepancies, what to do in case of
health complaints, and answers to other questions, please visit our
Frequently Asked Questions page.
Contact If you still have questions, please feel free to contact us.