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  • Research & Development
  • 400 mg ALA
  • 150 mg Curcumin
  • 20 mg Grains of Paradise
  • Scientifically Studied Weight Loss with ALA & Curcumin1
  • Boost Thermogenesis, Metabolism & Increase Energy2 
  • Enhance Mental Focus2
  • Patented Weight Loss Combination
  • Dietary Supplement
  • BioPerine
The Peak Series  Promise - Advanced Formulas. No Compromise.

MuscleTech® Peak Series supplements are engineered to deliver real results. Introducing the highest quality formulations for products beyond all reproach. Designed with key ingredients hand picked for a specific reason and dosed at fully disclosed, scientifically studied amounts. No more hyperbole. No more BS. Just real results. That is our promise to you.

Boost Energy & Metabolism -  Caffeine anhydrous to increase energy levels and boost metabolism and thermogenesis.

Enhance Mental Focus -  NeuroAmp Matrix with caffeine creates a unique sensory experience and enhances focus.

Healthy Weight Loss -   Patented combination of ALA & curcumin for scientifically studied weight loss.

Peak Series Thermo Slim brings together two key ingredients in one effective, scientifically researched weight loss combination that supports your healthy weigh loss plan, which includes diet and exercise.

Double The Weight Loss

1In two 16-week studies, subjects using the key ingredient combination (alpha lipoic acid and curcumin) lost an average of 12.56 lbs. vs 6.12 lbs. for placebo and 4.84 lbs. vs. 0.87 lbs. for placebo, respectively. All subjects followed a calorie-reduced diet and walking program.

ALA & Curcumin Combination -  12.56 lbs. Lost!

Placebo -  6.12 lbs. Lost!

2Caffeine to enhance focus energy, metabolism and thermogenesis.

Suggested Use

To assess your tolerance, refer to the chart below. Once your tolerance has been assessed, take 3 capsules 2 times daily, 30 to 60 minutes before your 2 largest meals (e.g., breakfast and lunch). Do not exceed 6 capsules in a 24-hour period. Drink 8 to 10 glasses of water for general good health.
Day 1 1 capsule., 2x daily
Day 2  2 capsules, 2x daily
Day 3 3 capsules, 2x daily

Other Ingredients

Rice flour, capsule (gelatin, purified water), magnesium stearatate, silicon dioxide.


For adults use only. Do not use if pregnant or nursing. Consult a medical doctor before use if you have been treated, for diagnosed with or have a family history or any medical condition, or if you are using any prescription or over-the-counter drug (s). One serving of this product contains up to as much caffeine as 3.5 cups of coffee. Caffeine-sensitive individuals may experience symptoms including (but not limited to) restlessness, nervousness, tremors, anxiety, increased heart rate or difficulty sleeping. Do not combine with the other sources of caffeine. Discontinue use two weeks prior to surgery. Do not use if you have any heart and/or blood pressure, or sleep or anxiety disorders, or a gastric ulcer. If you experience a skin rash or any other allergic reaction, discontinue use and consult a medicated doctor. Keep out of reach of children.

Do not use if packaging has been tampered with. Store in a cool, dry place (60°F to 80°F).


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.

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