100% Customer Satisfaction Guarantee

America's #1 Rated Catalog/Internet Merchant
Based on Customer Satisfaction

Basic Research


Swanson $29.99
Retail $39.99 Save 25%
Add To Order
Add to Favorites

Recently Viewed Items

Look here for an easy way to
navigate to your previously
viewed products.

In Stock
84 Caps
  • No ephedrine

  • 84 capsules

  • Manufactured in the USA by Zoller Laboratories

Zantrex-3 is a proprietary blend consisting of yerba mate, guarana, damiana, kola nut, green tea, niacin and much more. Use in conjunction with any sensible diet and exercise program. Individual results may very. Zoller Laboratories is an affiliate of Basic Research.

Product Label

Supplement Facts

Serving Size 2 Capsules

Servings per Container: 42

  Amount Per Serving %Daily Value†
Niacin 30 mg 150%
Zantrex-3 A Proprietary Blend Containing: 1230 mg
Yerba Mate (leaf) PE   *
Trimethylxanthine (i.e. caffeine)   *
Guarana (seed) PE   *
Damiana (leaf) PE   *
Green Tea (leaf) SE   *
Kola nut SE   *
Schizonepeta (spica) PE   *
Piper nigrum (fruit) SE   *
Tibetan Ginseng (root) SE   *
Panax Ginseng (root) SE   *
Maca root PE   *
Cocoa nut SE   *
Black Tea (leaf) SE (Camellia sinensis)   *

†Percent Daily Values are based on a 2,000 calorie diet.

*Daily Value not established.

Other ingredients may include: Rice flour, magnesium stearate, cellulose, silicon dioxide, FD&C blue #1, titanium dioxide, gelatin.

Directions: For weight loss, take two capsules with a full glass of water, 15 minutes before main meals. For a significant energy boost, take 1 or 2 capsules as needed. Do not exceed 6 capsules in any 24-hour period.

Note: Limit the use of caffeine-containing medications, foods or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness and occasionally, rapid heart beat.

WARNING: This product contains a potent xanthine (i.e., caffeine and caffeine-like stimulants) mixture, in excess of 300 mg per regular 2-capsule serving. Consult your physician before use especially if you are sensitive to stimulants. Not for use by individuals under the age of 18 years. Do not use if pregnant or nursing. Niacin (vitamin B-3) may cause temporary skin flushing, redness or itching in those persons who are sensitive to niacin. If they occur, these temporary side effects will subside in a matter of minutes. If you or your healthcare provider has any questions, please call

1-800-898-5153. Keep out of reach of children. Use only as directed.

Terms and Ingredient Definitions

Basic Research Zantrex-3 Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

7 Leaf Guarantee

Swanson’s 7-Leaf Guarantee

Earning your trust is our first
and only priority.

Shipping Restrictions

Countries with restrictions on this product:

  • Switzerland

More information on shipping restrictions

Top of Page