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Energy and focus, Metabolic support, Thermogenic support
Active adults seeking a high-stimulant thermogenic for workouts and busy days or those looking for focused energy during calorie-conscious routines.
Assess tolerance: Day 1 take 1 capsule once daily; Days 2–3 take 2 capsules once daily; Day 4 and beyond take 2 capsules twice daily, 30–60 minutes before your two main meals; do not take within 5 hours of bedtime; do not exceed 4 capsules per day; avoid other caffeine sources; taking with water and away from late evenings may reduce sleep disruption.
Made in the USA from international ingredients. Contains no listed common allergens in the Supplement Facts panel; capsule is vegetarian (hypromellose).
Caffeine blocks adenosine receptors and increases catecholamines, which may elevate energy expenditure and enhance alertness.
Caution: May cause jitters, rapid heartbeat, or sleep disruption, especially if combined with other caffeine sources.
Chlorogenic acids may influence glucose and fat metabolism by modulating intestinal glucose absorption and hepatic carbohydrate pathways.
Caution: Contains natural caffeine and may increase sensitivity to stimulants in some people.
L-carnitine helps shuttle long-chain fatty acids into mitochondria, where they are used to produce energy.
Caution: May cause mild gastrointestinal upset in some individuals.
L-theanine modulates neurotransmitters like GABA and glutamate, which may promote a calm but focused state alongside stimulants.
Caution: Can cause drowsiness in some people, especially when taken without stimulants.
Theobromine provides mild stimulant and vasodilatory effects that may complement caffeine’s energy and focus effects.
Caution: Stimulant effects may contribute to restlessness or rapid heartbeat in sensitive individuals.
Caffeine and theobromine provide complementary stimulant effects through adenosine receptor antagonism, supporting energy and focus. Green coffee’s chlorogenic acids target metabolic pathways, while L-carnitine supports fatty acid transport for energy use. L-theanine helps balance stimulant intensity by promoting calm focus.
Label Warning: Not for persons under 18. Do not use if pregnant or nursing. Stop use and talk with a doctor if unusual symptoms occur. Consult a doctor before use if you have been treated for, diagnosed with, or have a family history of any medical condition, or if you use any prescription or over-the-counter drugs, including blood thinners. Each serving has caffeine comparable to about three cups of coffee. Caffeine-sensitive people may experience restlessness, nervousness, tremors, headaches, anxiety, palpitations, increased heart rate, or trouble sleeping. Do not combine with other caffeine sources. Do not exceed the recommended serving. Use only as directed.
Who should be cautious: People sensitive to stimulants or with heart rhythm concerns, anxiety, insomnia, high blood pressure, or gastrointestinal sensitivity may need extra caution. Those taking blood thinners or other medications should discuss use with a healthcare provider before starting.
Storage: Store in a cool, dry place at 60°F to 80°F.
Many users felt increased energy and focus during workouts when used as directed.
Several reviewers reported meaningful weight changes when combined with exercise and a mindful diet.
Some users noted nausea, heartburn, jitters, or sleep trouble, especially if sensitive to caffeine.
This product is guaranteed authentic and backed by our easy returns & refunds policy. Details
CLA may help support fat metabolism and lean muscle retention, making it a complementary choice for those aiming to manage weight effectively.
AI generated. Not medical advice.
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America's #1 selling weight loss supplement brand‡
Hydroxycut Hardcore® Elite provides a thermogenic and energy experience with unrivaled intensity. Fuel your most intense workouts and tackle your jam-packed days with a scientifically researched dose of caffeine anhydrous that boosts energy and enhances mental focus. Combined with other potent ingredients, the formula delivers a one-of-a-kind sensory experience.
Scientifically tested weight loss ingredient
¹In one study, researchers monitored subjects who took C. canephora robusta - the key weight loss ingredient in Hydroxycut Hardcore® Elite - for 60 days. On average, they lost 10.95 lbs., while the placebo group lost an average of 5.4 lbs. Both groups followed a low-calorie diet.
In a separate 8-week study, researchers monitored two groups following a calorie-reduced diet and performing moderate exercise. Subjects using C. canephora robusta lost an average of 3.7 lbs., while those using a placebo lost an average of 1.25.lbs.
*Per serving
‡Based on IRI MULO sales data for Hydroxycut capsules
To assess your tolerance, for the first day, take 1 capsule once daily. On days 2 and 3, take 2 capsules once daily. On days 4 and beyond, take 2 capsules twice daily, 30 to 60 minutes before your two main meals. Do not snack between meals. Do not take within 5 hours of bedtime. For best results, use for 60 days in combination with diet and training. Do not exceed 4 capsules in a 24-hour period. Drink 10 glasses of water daily for general good health. Read the entire label before use and follow directions provided.
| Day 1 | 1 capsule, once daily |
| Day 2 & 3 | 2 capsules, once daily |
| Day 4 & beyond | 2 capsules, twice daily |
Veggie capsule (hypromellose, calcium carbonate, purified water), microcrystalline cellulose, silicon dioxide, magnesium stearate.
Made in the USA from international ingredients.
Not intended for use by persons under 18. Do not use if pregnant or nursing. Discontinue use and consult a medical doctor if you experience unusual symptoms. Consult a medical doctor before use if you have been treated for, diagnosed with or have a family history of any medical condition, or if you are using any prescription or over-the-counter drug(s), including blood thinners. One serving of this product contains up to as much caffeine as three cups of coffee. Caffeine-sensitive individuals may experience the following symptoms, including (but not limited to) restlessness, nervousness, tremors, headaches, anxiety, palpitations, increased heart rate or difficulty sleeping. Do not combine with other sources of caffeine. Consult a medical doctor before starting any diet or exercise program. Do not exceed recommended serving. Improper use of this product will not improve results and is not advised. Use only as directed.
Keep out of reach of children. Do not use if packaging has been tampered with. Store in a cool, dry place (60ºF to 80ºF).
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.
| Supplement facts | ||
| Serving Size: 2 Capsules | ||
| Serving Per Container: 55 | ||
| Amount Per Serving | % Daily Value | |
| Caffeine anhydrous | 250 mg | † |
| Green coffee extract (as C. canephora robusta) (seed) Standardized for 45% chlorogenic acids | 200 mg | † |
| L-carnitine L-tartrate | 100 mg | † |
| L-theanine | 100 mg | † |
| Cocoa extract (as Theobroma cacao) (seed) Standardized for theobromine | 100 mg | † |
| BioPerine® Black pepper extract (as Piper nigrum) (fruit) Standardized for 95% piperine | 5 mg | † |
| Cayenne pepper powder (as Capsicum annuum) (fruit) | 5 mg | † |
| †Daily Value not established. | ||
