Burn X12™ | GNC
Gluten Free Gluten Free
Soy Free Soy Free
Corn Free Corn Free

Product Information



Clinically Proven Calorie-Burning Thermogenic*


Nutrition Facts
Serving Size  1 Capsule(s)
Servings Per Container  60

Amount Per Serving     % DV

Niacin 20 mg   125%

Caffeine Anhydrous  200 mg   **
Capsimax® Capsicum Fruit Extract (Capsicum annuum)  33.34 mg   **
Black Pepper Fruit Extract (Piper nigrum)(50% Piperine = 5 mg)  10 mg   **

** Daily Value (DV) not established.
Other Ingredients
Microcrystalline Cellulose, Gelatin, Magnesium Stearate Vegetable Source, Silicon Dioxide, Titanium Dioxide (Mineral Whitener), Artificial Colors (FD&C Blue #1, FD&C Red #40)
Label (click image to enlarge)

How To Use

As a dietary supplement, take one capsule with water 30-60 minutes before starting exercise on workout days. On non-workout days, take one capsule with water before breakfast. Do not take prior to bedtime.
Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition. Discontinue use two weeks prior to surgery.
Distributed by:
General Nutrition Corporation
Pittsburgh, PA 15222


3.2 / 5.0
10 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Loving it. Seeing fast results.
April 1, 2019
3 months ago
Has not increased metabolism or helped burn anything
March 28, 2019
3 months ago
Does nothing for me.
March 24, 2019
3 months ago
No good
Waste of my money
March 20, 2019
3 months ago
I love it.
February 14, 2019
4 months ago
It's a good product feel like I get better results with the GNC burn 60
November 9, 2018
8 months ago
Waste of cash
Meh maybe no.
November 6, 2018
8 months ago
Great appetite suppressor and fat burner.
I really loved x12. I have lost so much weight by using x12. I was an overrated, but now since taking x12, I have to make myself eat. Loving it!
November 1, 2018
8 months ago
I love this product
October 15, 2018
8 months ago
So far effective!
I feel it working, see myself getting slimmer As the day passes by. Also eating a lot less. I would recommended so far.
May 15, 2018
1 year ago
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Browse 9 questions Browse 9 questions and 12 answers
has anyone talked with their doctor before taking this product?
Darren M on Aug 27, 2018
Does it work?
A shopper on Jun 14, 2018
BEST ANSWER: Yes, I feel and look leaner, people say I loss weight.
Are these for women only or can men taken them also?
CRod210 on Dec 16, 2018
BEST ANSWER: Yes they are for women. I’m a woman myself and they’ve helped immensely
Is there jittery, shaking feel when taking?
A shopper on Jul 13, 2018
BEST ANSWER: Hi. I have not experienced any jittering or shaking when taking this product. I take it with water and give myself 15-30 mins then start exercising.
Does this product cause stomach upset?
Trish on Nov 13, 2018
BEST ANSWER: Not to me, but can’t speak for other that purchase it.
What color are the capsules?
A shopper on Sep 27, 2018
Does it make you feel like you're speeding, & headaches?
A shopper on Mar 4, 2019
BEST ANSWER: It made my face and neck red for an hour or so after taking it. I did not get a headache or feel like I was speeding
can you take this with phentermine?
A shopper on Feb 27, 2019
Can you take it even if you don't work out?
A shopper on Mar 10, 2019