PlainVitamins

Thermo Igniter 12X

by GNC AMP Advanced Muscle Performance · capsule · 30 packs

  • On the market (NIH)
  • DSLD label 312638
  • Serving 1 red capsule
  • 30 servings

Thermo Igniter 12X by GNC AMP Advanced Muscle Performance lists 5 ingredients, 5 with an amount per serving of 1 red capsule, such as 20 mg of niacin, 200 mg of caffeine, 33.34 mg of capsicum fruit extract and 10 mg of black pepper fruit extract. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in Thermo Igniter 12X?

Each row as the label prints it, per serving of 1 red capsule. 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).

Thermo Igniter 12X: Supplement Facts rows against the market (DSLD label 312638, January 2026 release)
IngredientAmount% DVAmong products listing it
Niacin20 mg125%Niacin in Thermo Igniter 12X against 12,413 products20 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg20 mg

46% of 12,413 products listing niacin give more (median 20 mg).

Caffeine200 mgCaffeine in Thermo Igniter 12X against 3,358 products200 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.200 mg

34% of 3,358 products listing caffeine give more (median 200 mg).

Capsicum Fruit Extractas Capsicum annuum Fruit Extract33.34 mgCapsicum in Thermo Igniter 12X against 874 products33.34 mg per serving; the middle half of products list 25 mg to 100 mg, the median 44.5 mg.33.34 mg

52% of 874 products listing capsicum give more (median 44.5 mg).

Black Pepper Fruit Extract10 mgBlack Pepper in Thermo Igniter 12X against 2,363 products10 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.10 mg

Higher than 71% of 2,363 products listing black pepper (median 5 mg).

PiperineStandardized to 50% Piperine5 mgPiperine in Thermo Igniter 12X against 203 products5 mg per serving; the middle half of products list 4.75 mg to 10 mg, the median 5 mg.5 mg

40% of 203 products listing piperine give more (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 312638 (entered June 20, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). 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.

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?

2 products list the very same ingredients; the nearest amounts come first.

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
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 energy production, the Thermo Igniter 12x (red capsule) can be taken 30-60 minutes prior to exercise. Do not take before bedtime.
Warnings
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. 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. Inform your physician of this product's biotin content before any lab test. Niacin may cause a temporary flushing reaction.
Keep out of reach of children.
Caution: Niacin may cause a temporary flushing reaction. Contains 200mg of caffeine.
Contains a bioengineered food ingredient.
Allergens and what it does not contain
No artificial flavors.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 312638.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Bovine Gelatin, Porcine Gelatin, Sugar, Shellac, Magnesium Stearate, FD&C Blue #1, FD&C Red #3, FD&C Red #40, Hydroxypropyl Methylcellulose, Silicon Dioxide, Titanium Dioxide.

How many labels does Thermo Igniter 12X have?

3 labels are on file under this name since February 26, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 317604 Entered August 22, 2024 · off the market December 4, 2024 · 30 packs
  2. Label 312638 (current) Entered June 20, 2024 · on the market · 30 packs
  3. Label 213223 Entered February 26, 2020 · on the market · 30 packs

DSLD also links this label to: Mega Men Sport Multivitamin (bundle set), Cla (bundle set), Waterex (bundle set).

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

Who makes it?

The label names GNC Holdings, LLC (distributor), Pittsburgh, PA. All GNC AMP Advanced Muscle Performance products.

Where next?