Vitamin B2 300 mg

by Dr. Clark Store · capsule · 100 capsules

  • On the market (NIH)
  • UPC 6 52384 10466 1
  • DSLD label 215841
  • Serving 1 capsule
  • 100 servings

Vitamin B2 300 mg by Dr. Clark Store lists one ingredient: 300 mg of vitamin B2 per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2020.

What is in Vitamin B2 300 mg?

Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Vitamin B2 300 mg: Supplement Facts rows against the market (DSLD label 215841, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B2as RiboflavinVitamin B2 (Alt. Name: Riboflavin) Note: USP300 mg17,645%Riboflavin in Vitamin B2 300 mg against 9,824 products300 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg300 mg

Higher than over 99% of 9,824 products listing riboflavin (median 4 mg).

Source: NIH ODS Dietary Supplement Label Database, label 215841 (entered March 24, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 300 mg of vitamin B2 (filed by NIH under riboflavin) is higher than over 99% of the 9,824 riboflavin products that print an amount; 34 list more.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested use: Take 1 capsule, preferably with a meal, or as directed by a healthcare professional.
Warnings
Keep away from children.
Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.
Allergens and what it does not contain
Our products don't contain flow agents like magnesium stearate. Not now, not ever.
Storage
Store at room temperature.

Source: label statements in DSLD label 215841.

What else is on the label?

Other ingredients: Gelatin Capsules.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in USA; Quality Assured GMP.

How many labels does Vitamin B2 300 mg have?

One label is on file, entered on March 24, 2020.

  1. Label 215841 (current) Entered March 24, 2020 · on the market · 100 capsules · UPC 6 52384 10466 1

DSLD also links this label to: Vitamin B2 300 mg (alternate version).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Self Health Resource Center (manufacturer), Chula Vista, CA. All Dr. Clark Store products.

Where next?