No Thanks

Your 10% Off Promo Code is on the Way! Thanks for signing up for emails.

You're now signed up to receive exclusive deals and savings opportunities!

Thanks again for connecting with us. Keep an eye on your inbox — your first coupon is on its way!

Thank You! This email address is already signed up

You are signed up for the following:

  • Offers
  • Recipes
  • E-Newsletter
  • Updates & Reminders

Thank you for your interest and be assured that you will continue to receive our emails at this address.

Look for your next communication from us within the next week.


We are having trouble processing your request.

Our apologies!

Please try again later.

Search Please enter an item number or keyword
Shop by
Do You
Need Help?

Basic Research



Item: BAS002

  • No ephedrine

  • 84 capsules

  • Manufactured in the USA by Zoller Laboratories

84 Caps

Retail $39.99
Save 29%
In Stock

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.

Shipping Weight

.31 lbs

  • 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.

Terms and Ingredient Definitions


Basic Research Zantrex-3 Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Basic Research Zantrex-3

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

Learn More
Customer Service
About Swanson
© 2017 Ratings based on results of the 2017 Survey of Supplement Users. More information at
© 2017 Swanson Health Products – Terms of Service