Food supplement · Nature's Bounty

B-100 Ultra B-Complex

Why Nature's Bounty b-complex?

  • 100 mg thiamine per serving
  • 6667% of the daily value
  • No Artificial Color or Flavor, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free. Suitable for vegetarians.

From the label’s panel and printed marks — not its marketing.

Supplement Facts

Serving size 1 Tablet(s)

Thiamine100 mg

Riboflavin100 mg

Niacin100 mg

Vitamin B6100 mg

Folic Acid400 mcg

Vitamin B12100 mcg

Biotin100 mcg

Full panel ↓

Sold as food, not medicine — no regulator checked that it works

100mgThiamine6667% DV
100mgRiboflavin5882% DV
100mgNiacin500% DV
100mgVitamin B65000% DV

Per serving · 1 Tablet(s)

At a glance

From the label as printed · NIH DSLD

What it is

Vitamin supplement · Tablets

Per serving

100 mg thiamine

6667% of the daily value — our arithmetic on the label’s own numbers

How to take it

For adults, take one (1) tablet daily, preferably with a meal.

One serving: 1 Tablet(s)

Label warning

Keep out of reach of children.

All warnings ↓
Independent testing

No third-party testing mark on the label

Marks like USP Verified mean an independent lab checked that the product contains what the label says.

Good to know
  • Food supplement — claims are the manufacturer’s
  • No Artificial Color or Flavor, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free. Suitable for vegetarians.
  • Vegetarian
  • Adult (18 - 50 Years)

Supplement Facts

Supplement Facts

Serving size 1 Tablet(s)

Amount per serving% DV
Thiamine (Thiamine Mononitrate, Vitamin B1)100 mg6667%
Riboflavin100 mg5882%
Niacin (Niacinamide)100 mg500%
Vitamin B6 (Pyridoxine Hydrochloride)100 mg5000%
Folic Acid400 mcg25%
Vitamin B12 (Cyanocobalamin)100 mcg1667%
Biotin (D-Biotin)100 mcg33%
Pantothenic Acid (D-Calcium Pantothenate)100 mg1000%
Inositol12.5 mg†
PABA12.5 mg†
Choline Bitartrate12.5 mg†
Proprietary Blend62.5 mg†
Parsley leaf powder0 NP
Rice Bran defatted powder0 NP
Watercress leaf powder0 NP
Alfalfa leaf powder0 NP
Soy Lecithin Granules0 NP

† Daily Value not established.

One serving, as a share of the Daily ValueThe label’s own percentages. 100% is the reference amount for a day — not a target, and not a safe upper limit.
  • Thiamine100 mg6,667%
  • Riboflavin100 mg5,882%
  • Niacin100 mg500%
  • Vitamin B6100 mg5,000%
  • Folic Acid400 mcg25%
  • Vitamin B12100 mcg1,667%
  • Biotin100 mcg33%
  • Pantothenic Acid100 mg1,000%

Other ingredients: Vegetable Cellulose, Silica, Calcium Silicate, Vegetable Magnesium Stearate

Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label

How to take it

  • DIRECTIONS: For adults, take one (1) tablet daily, preferably with a meal.

The manufacturer’s directions, from the label.

Warnings on the label

  • Keep out of reach of children.
  • WARNING: Not intended for use by pregnant or nursing women.
  • Discontinue use and consult your doctor if any adverse reactions occur.
  • Do not use if seal under cap is broken or missing.
  • If you are taking any medications, consult your doctor before use.

What no one has checked

Supplements are regulated as food, not as medicine. No regulator has assessed whether this product works, and manufacturing standards vary widely between brands and countries.

Compare with similar products

Details

BrandNature's Bounty
UPC0 74312 00770 5
NIH label ID4230
Label recorded2012-01-25

Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional