PlainVitamins

B12 Booster

by MBi Nutraceuticals · liquid · 4 fl. Oz.

  • On the market (NIH)
  • DSLD label 231377
  • Serving 4.4 g (1/2 Teaspoon)
  • 48 servings

B12 Booster by MBi Nutraceuticals lists 8 ingredients, 8 with an amount per serving of 4.4 g, such as 500 mcg of vitamin B12, 5 mg of folic acid, 12.5 mg of thiamine and 12.5 mg of niacin. Its current label entered the NIH Dietary Supplement Label Database on July 23, 2020.

What is in B12 Booster?

Each row as the label prints it, per serving of 4.4 g. 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).

B12 Booster: Supplement Facts rows against the market (DSLD label 231377, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B12as Methylcobalamin500 mcg8,333%Vitamin B12 in B12 Booster against 14,425 products500 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg500 mcg

Higher than 82% of 14,425 products listing vitamin B12 (median 36 mcg). Per day at the most servings: 1,500 mcg.

Folic Acid5 mg1,250%Folate in B12 Booster against 7,022 products5,000 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.5,000 mcg

Higher than 99% of 7,022 products listing folate (median 400 mcg). Per day at the most servings: 15,000 mcg.

Thiamine12.5 mg833%Thiamin in B12 Booster against 9,830 products12.5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg12.5 mg

Higher than 65% of 9,830 products listing thiamin (median 5 mg). Per day at the most servings: 37.5 mg.

Niacin12.5 mg63%Niacin in B12 Booster against 12,413 products12.5 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg12.5 mg

75% of 12,413 products listing niacin give more (median 20 mg). Per day at the most servings: 37.5 mg. 1.1 times the adult UL a day.

Riboflavin2 mg118%Riboflavin in B12 Booster against 9,824 products2 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg2 mg

60% of 9,824 products listing riboflavin give more (median 4 mg). Per day at the most servings: 6 mg.

Zinc3 mg20%Zinc in B12 Booster against 13,186 products3 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg3 mg

84% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 9 mg.

Molybdenum200 mcg268%Molybdenum in B12 Booster against 4,390 products200 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg200 mcg

Higher than 97% of 4,390 products listing molybdenum (median 50 mcg). Per day at the most servings: 600 mcg.

Lipoic Acid30 mgAlpha Lipoic Acid in B12 Booster against 2,407 products30 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.30 mg

64% of 2,407 products listing alpha lipoic acid give more (median 50 mg). Per day at the most servings: 90 mg.

Source: NIH ODS Dietary Supplement Label Database, label 231377 (entered July 23, 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 5,000 mcg of folic acid (filed by NIH under folate) is higher than 99% of the 7,022 folate products that print an amount; 71 list more.
  • At 3 servings a day, the most its directions give, the label lists 37.5 mg of niacin, 1.1 times the adult Tolerable Upper Intake Level.
  • Its 200 mcg of molybdenum is higher than 97% of the 4,390 molybdenum products that print an amount; 123 list more.

The NIH database records 3 servings 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?

The products whose ingredient lists overlap most with B12 Booster's, rare ingredients counting for more.

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
Recommendation: Take 1/2 teaspoon three times daily or as directed by your health care professional.
Warnings
Shake well
Warning: Keep out of the reach of children.
If pregnant or nursing, consult your physician before using this product.
If tamper resistant seals are broken do not use this product.

Source: label statements in DSLD label 231377.

What else is on the label?

Other ingredients: Fructose, deionized Water, L-Cysteine, L-Methionine, Cherry flavor, EDTA.

How many labels does B12 Booster have?

One label is on file, entered on July 23, 2020.

  1. Label 231377 (current) Entered July 23, 2020 · on the market · 4 fl. Oz.

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

Who makes it?

The label names MBi Nutraceuticals (manufacturer), Lindon, UT. All MBi Nutraceuticals products.

Where next?