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Energy and focus, Thermogenic support, Metabolic support
Active adults seeking a high-stimulant pre-meal option for energy and focus, or those on a calorie-reduced plan looking for metabolic support.
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 and do not exceed 4 capsules per day. Avoid other caffeine sources; taking with a glass of water and not on an empty stomach may improve comfort.
Caffeine blocks adenosine receptors and stimulates the central nervous system, which may increase alertness and thermogenesis.
Caution: High caffeine may cause jitteriness, rapid heartbeat, or sleep disruption, especially if taken late in the day or combined with other stimulants.
Chlorogenic acids may influence carbohydrate metabolism and fat utilisation by modulating glucose absorption and related enzymes.
Caution: Contains caffeine-related compounds; those sensitive to stimulants should monitor how they feel and avoid taking near bedtime.
L-carnitine helps shuttle long-chain fatty acids into mitochondria where they can be used for energy.
Caution: May cause mild gastrointestinal discomfort in some people; take with food if sensitive.
L-theanine may modulate neurotransmitters such as GABA and glutamate, promoting a calm but focused state when combined with caffeine.
Caution: Can cause drowsiness in some individuals; monitor individual response, especially when first using.
Theobromine is a methylxanthine that may provide mild central nervous system stimulation and vasodilation.
Caution: Stimulant effects may add to caffeine; those sensitive to stimulants should start cautiously.
Caffeine and theobromine provide complementary stimulant effects, supporting energy and thermogenesis through different methylxanthine pathways. L-theanine helps smooth stimulant intensity by promoting a calm focus. Chlorogenic acids and L-carnitine target energy metabolism, with chlorogenic acids influencing carbohydrate handling and L-carnitine supporting fatty acid transport into mitochondria.
Label Warning: Not for persons under 18. Do not use if pregnant or breastfeeding. Stop use and speak to a doctor if you experience unusual symptoms. Speak to a 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 medicines, including blood thinners. Each serving contains caffeine comparable to three cups of coffee; caffeine-sensitive individuals may experience restlessness, nervousness, tremors, headaches, anxiety, palpitations, increased heart rate, or trouble sleeping. Do not combine with other sources of caffeine. Speak to a doctor before starting any diet or exercise programme. Do not exceed the recommended serving. Use only as directed.
Who should be cautious: People with heart concerns, anxiety, sleep difficulties, hypertension, or sensitivity to stimulants may need extra caution due to the caffeine and theobromine content. Those with gastrointestinal sensitivity may find cayenne uncomfortable. If you take anticoagulants, speak to your healthcare provider due to the product warning about blood thinners. If you use other stimulants or high-caffeine products, consider avoiding combination. If you are on medications or have ongoing health conditions, discuss with a healthcare provider before use.
Storage: Store in a cool, dry place at 60°F to 80°F.
This product is guaranteed authentic and backed by our easy returns and 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 a day. On days 2 and 3, take 2 capsules once a day. On days 4 and beyond, take 2 capsules twice a day, 30 to 60 minutes before your 2 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 a calorie-reduced diet and exercise. 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 the directions provided.
| Day 1 | 1 capsule, once a day |
| Day 2 & 3 | 2 capsules, once a day |
| Day 4 & beyond | 2 capsules, twice a day |
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 breastfeeding. 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 the 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 be despatched with alternative packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and do not rely solely on the information provided by iHerb. This website has been machine translated as a courtesy to customers. iHerb does not represent or warrant that the translations are complete or error-free and iHerb is not responsible for any translation errors or omissions.
| Supplement information | ||
| Serving Size:2 Capsules | ||
| Servings Per Container:55 | ||
| Amount per serving | % Reference Intake | |
| 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 | † |
| †Reference intake not established. | ||
