B-12 1000 mcg

by Mason Natural · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 3 11845 06935 1
  • DSLD label 318739
  • Serving 1 tablet
  • 60 servings

B-12 1000 mcg by Mason Natural lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 1,000 mcg of vitamin B12 and 100 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2024.

What is in B-12 1000 mcg?

Each row as the label prints it, per serving of 1 tablet. 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).

B-12 1000 mcg: Supplement Facts rows against the market (DSLD label 318739, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B12as Cyanocobalamin1,000 mcg41,667%Vitamin B12 in B-12 1000 mcg against 14,425 products1,000 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg1,000 mcg

Higher than 89% of 14,425 products listing vitamin B12 (median 36 mcg).

Calciumas Dicalcium Phosphate100 mg8%Calcium in B-12 1000 mcg against 17,831 products100 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg100 mg

53% of 17,831 products listing calcium give more (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 318739 (entered September 25, 2024), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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
Directions: Adults - Take one tablet daily, preferably with food, as a dietary supplement.
Warnings
Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.
Discontinue use and consult your physician if any adverse reactions occur. Tamper-evident seal: Do not use product if seal appears.
Keep out of reach of children.
Allergens and what it does not contain
Guaranteed no added: Milk, egg, fish, wheat, gluten, crustacean shellfish, tree nuts, peanuts, sugar, starch, yeast, soy, corn, dairy, fragrance artificial flavors or colors, preservatives. Sodium free.
Gluten free Soy free
Storage
Store in a dry place under controlled room temperature: 20 - 25 degrees C (68 - 77 degrees F).

Source: label statements in DSLD label 318739.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Laboratory tested Mason guarantee cGMP Certified Good Manufacturing Practice.

How many labels does B-12 1000 mcg have?

One label is on file, entered on September 25, 2024.

  1. Label 318739 (current) Entered September 25, 2024 · on the market · 60 tablets · UPC 3 11845 06935 1

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

Who makes it?

The label names Mason Vitamins, Inc. (distributor), Miami Lakes, FL. All Mason Natural products.

Where next?