Zantrex-3 Black

by Zoller Laboratories · softgel capsule · 84 softgels

  • Off the market since July 2025 (NIH)
  • UPC 6 81168 45802 7
  • DSLD label 31944
  • Serving 1 to 2 softgels; amounts per 2 softgels
  • 42 servings

Zantrex-3 Black by Zoller Laboratories lists 14 ingredients, 1 with an amount per serving of 2 softgels, such as 30 mg of niacin; 13 sit inside a blend without their own amounts, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on April 25, 2014.

What is in Zantrex-3 Black?

Each row as the label prints it, per serving of 2 softgels. 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).

Zantrex-3 Black: Supplement Facts rows against the market (DSLD label 31944, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories15 Calories
Calories from Fat10 Calories
Total Fat1 g2%Fat (unspecified) in Zantrex-3 Black against 11,965 products1 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1 g

56% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Protein0.5 g1%Protein in Zantrex-3 Black against 8,985 products0.5 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.0.5 g

96% of 8,985 products listing protein give more (median 16 g).

Niacin30 mg150%Niacin in Zantrex-3 Black against 12,413 products30 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg30 mg

Higher than 63% of 12,413 products listing niacin (median 20 mg).

Zantrex(R)Zantrex(R) Note: A Proprietary Blend Containing1,160 mg
Yerba Mate (leaf) extractin the blend, no amount given
Guarana (seed) extractin the blend, no amount given
Trimethylxanthinein the blend, no amount given
Damiana (Turnera diffusa var. aphrodisiaca) (leaf) extractin the blend, no amount given
Green Tea (leaf) extractin the blend, no amount given
Kola (seed) extractin the blend, no amount given
Schizonepeta (flower) Extractin the blend, no amount given
Black Pepper (fruit) extractin the blend, no amount given
Rhodiola crenulata (root) Extractin the blend, no amount given
Asian Ginseng (root) extractin the blend, no amount given
Maca (root) extractin the blend, no amount given
Cacao (seed) Extractin the blend, no amount given
Black Tea (leaf) extractin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 31944 (entered April 25, 2014), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 13 ingredients sit inside a blend, so their amounts cannot be compared.

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?

The products whose ingredient lists overlap most with Zantrex-3 Black'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
For maximum weight-loss effectiveness and extreme high energy, take Zantrex Black every day as directed.
Directions for use: Take two softgels with a full glass of water, 15 minutes before main meals. For a Significant Energy Boost: Take one or two softgels as needed. Do not exceed 6 softgels in any 24-hour period. Use in conjunction with any sensible diet and exercise program. Individual results will vary.
Warnings
NOTE: Limit the use of caffeine-containing supplements, foods or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness and occasionally, rapid heart beat.
Do not exceed suggested daily serving.
Not for use by individuals under the age of 18 years.
Do not use if pregnant or nursing. Consult your physician before use if you are taking a prescription drug, or have a medical condition.
CONTAINS: SOY.
Warning: Do not take Zantrex-3 High Energy Fat Burner (red bottle), original Zantrex-3 (blue bottle), or Zantrex Black at the same time. Do not substitute one product for the other.
Consult your physician before use if you are taking caffeine-containing medications or if you are sensitive to stimulants.
Use only as directed.
Keep out of reach of children.
Storage
Store at controlled room temperature: 15(0)-30(0)C/59(0)-86(0)F.

Source: label statements in DSLD label 31944.

What else is on the label?

Other ingredients: Soybean Oil, Gelatin, Glycerin, Water, Soy Lecithin, White Beeswax, Caramel.

How many labels does Zantrex-3 Black have?

One label is on file, entered on April 25, 2014.

  1. Label 31944 (current) Entered April 25, 2014 · off the market July 2, 2025 · 84 softgels · UPC 6 81168 45802 7

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

Who makes it?

The label names Zoller(R) Laboratories, LLC (manufacturer), Salt Lake City, UT. All Zoller Laboratories products.

Where next?