PlainVitamins

Natural Vitamin B1+

by Dr. Berg · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 337168
  • Serving 1 capsule
  • 60 servings

Natural Vitamin B1+ by Dr. Berg lists 9 ingredients, 9 with an amount per serving of 1 capsule, such as 0.3 mg of thiamine, 0.3 mg of riboflavin, 4 mg of niacin and 0.4 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.

What is in Natural Vitamin B1+?

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).

Natural Vitamin B1+: Supplement Facts rows against the market (DSLD label 337168, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamine0.3 mg25%Thiamin in Natural Vitamin B1+ against 9,830 products0.3 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.3 mg

95% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavin0.3 mg23%Riboflavin in Natural Vitamin B1+ against 9,824 products0.3 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.3 mg

95% of 9,824 products listing riboflavin give more (median 4 mg).

Niacin4 mg25%Niacin in Natural Vitamin B1+ against 12,413 products4 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg4 mg

93% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B60.4 mg24%Vitamin B6 in Natural Vitamin B1+ against 15,277 products0.4 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg0.4 mg

97% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folate100 mcg DFE25%
Vitamin B120.6 mcg25%Vitamin B12 in Natural Vitamin B1+ against 14,425 products0.6 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg0.6 mcg

99% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotin7.5 mcg25%Biotin in Natural Vitamin B1+ against 9,447 products7.5 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg7.5 mcg

98% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acid1 mg20%Pantothenic Acid (Vitamin B5) in Natural Vitamin B1+ against 10,060 products1 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg1 mg

97% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Magnesium100 mg24%Magnesium in Natural Vitamin B1+ against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Allithiamine50 mg

Source: NIH ODS Dietary Supplement Label Database, label 337168 (entered August 22, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • 95% of the 9,830 products that print an amount of thiamin list more than its 0.3 mg of thiamin (median 5 mg).
  • 95% of the 9,824 products that print an amount of riboflavin list more than its 0.3 mg of riboflavin (median 4 mg).
  • 93% of the 12,413 products that print an amount of niacin list more than its 4 mg of niacin (median 20 mg).
  • 97% of the 15,277 products that print an amount of vitamin B6 list more than its 0.4 mg of vitamin B6 (median 6 mg).
  • 99% of the 14,425 products that print an amount of vitamin B12 list more than its 0.6 mcg of vitamin B12 (median 36 mcg).
  • 98% of the 9,447 products that print an amount of biotin list more than its 7.5 mcg of biotin (median 200 mcg).

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?

1 product lists 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: As a dietary supplement, take 1 capsule per day.
Warnings
Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.
Pregnant or nursing mothers, children under the age of 18, and individuals with known medical conditions should consult a physician before using this or any dietary supplement.
Storage
Store in a cool, dry place, with a lid.

Source: label statements in DSLD label 337168.

What else is on the label?

Other ingredients: Magnesium Citrate, Vegetable Capsule, Broccoli, Carrot, Spinach, Sunflower, Chlorella, Allithiamine, Magnesium Stearate.

How many labels does Natural Vitamin B1+ have?

One label is on file, entered on August 22, 2025.

  1. Label 337168 (current) Entered August 22, 2025 · on the market · 60 capsules

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

Who makes it?

The label names Dr. Berg Nutritionals (manufacturer, distributor), Alexandria, VA. All Dr. Berg products.

Where next?