Decaf Thermo Igniter 12X by GNC AMP Advanced Muscle Performance — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Yellow Caplet(s) Serving Size

Other Combinations Product Type

33% Evidence Coverage

Supplement Facts — Evidence Check

Niacin

20 mg (125% DV)

✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 20mg UL 35mg

Capsimax Capsicum fruit extract

33.34 mg

Black Pepper Fruit Extract

10 mg

EGCG

50 mg

📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)

This product: 50mg

Green Coffee bean extract

200 mg

📊 Market median: 450.0mg (167 products)

Median 450.0mg This product: 200mg

Garcinia Cambogia fruit extract

250 mg

📊 Market median: 600.0mg (321 products) 📚 5 studies — no high-quality reviews

This product: 250mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Hydroxypropyl Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide Cellulose Titanium Dioxide Maltodextrin Medium Chain Triglycerides Polydextrose Riboflavin Talc

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult Male (18-50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, for optimal health benefits, take the contents of one pack daily with food every morning. On workout days, for individuals looking to maximize results, the Decaf Thermo Igniter 12X (yellow caplet) can be taken 30-60 minutes prior to exercise.

⚠️ Warnings & Precautions

Warning: Use only as directed. Do not exceed recommended daily intake.

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.

Keep out of reach of children.

🧪 Formulation Notes

Stimulant-free thermo with a potent blend of fruit & herbal extracts

Provides Non-stimulant metabolism & lean muscle support

No artificial flavors, no wheat, gluten free, no dairy.

Additional Information

4 products in 1 pack

Fuel your metabolism

If it's on our packages, then it's in our boxes. Clinically studied ingredients backed by real science. Get vitamins. Get metabolism support. Get ripped.

Provides Non-stimulant metabolism & lean muscle support

CODE 212312 ISG

Each pack contains:

Gf Gluten free

Store in a cool, dry place.

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% completely satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find you a replacement product that is right for you.

Product Details

DSLD Entry Date 2018-11-21

Product Type Other Combinations

Form Other (e.g. tea bag)

Brand GNC AMP Advanced Muscle Performance

Bundle Men's Ripped Vitapak Program with Metabolism + Muscle Support Non-Stimulant Formula

DSLD ID 183545

Data Updated 2026-04-11

Research Evidence

241 Research Sources

55 Avg Quality Score

113 Meta Analysis

75 Systematic Review

32 Rct

11 Clinical Trial

3 Other

3 Regulatory Source

1 Cochrane Review

1 Narrative Review

1 Openfda Safety

A Niacin for primary and secondary prevention of cardiovascular events

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases

Meta Analysis BMJ (Clinical research ed.) 2013

PubMed DOI

A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients

Meta Analysis BMJ (Clinical research ed.) 2014

PubMed DOI

A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk

Meta Analysis Nature medicine 2024

PubMed DOI

A Meta-analysis and imputation refines the association of 15q25 with smoking quantity

Meta Analysis Nature genetics 2010

PubMed DOI

A Genome-wide meta-analyses identify multiple loci associated with smoking behavior

Meta Analysis Nature genetics 2010

PubMed DOI

A Antidepressants for smoking cessation

Meta Analysis The Cochrane database of systematic reviews 2014

PubMed DOI

A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI Cochrane

B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis

Meta Analysis JAMA network open 2019

PubMed DOI

B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis

Meta Analysis JAMA 2016

PubMed DOI

View all evidence for Niacin →