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DARK LABS HEROLEAN THERMO

Dark Labs 25portion

from £42.00

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How Does Dark Labs HeroLean Work?


Elevate Your Performance with Dark Labs HeroLean Cross the Limits proudly presents HeroLean by Dark Labs, a hardcore stimulant and fat burner taking the fitness world by storm. Formulated with precision and care, HeroLean is the secret weapon you need to push through barriers and unveil the hero within. Brought to you by Dark Labs, HeroLean stands as a testament to what modern supplementation can achieve. This advanced stimulant and fat burner is crafted for those who seek to transcend limits and emerge victorious in their fitness battles. Dark Labs is renowned for its commitment to quality and innovation, and with HeroLean, they've delivered a formula that's as effective as it is ambitious. It's designed to:

  • Boost Energy Levels: Propel yourself through gruelling workouts with a sustained release of energy that keeps fatigue at bay.

  • Stimulate Fat Loss: Unlock a new level of thermogenesis that helps you efficiently burn fat and sculpt your physique.

  • Sharpen Focus: Stay mentally dialled in with ingredients that support cognitive function, keeping your eyes on the prize.


HeroLean isn't just a supplement; it's a declaration of your commitment to pushing the envelope of what's possible. Ideal for athletes, gym enthusiasts, and anyone looking to intensify their fitness routine, HeroLean by Dark Labs is for the dedicated, the relentless, and the undeterred.

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Dark Labs HeroLean – Key Ingredients:



  • L-Carnitine L-Tartrate (2,500mg):This is a form of L-carnitine, an amino acid that plays a crucial role in the production of energy by transporting fatty acids into your cells’ mitochondria, which act as engines within your cells, burning these fats to create usable energy. The L-tartrate form is known for its potential to enhance absorption and is often used to aid muscle recovery and support metabolic function.

  • Raspberry Ketones (500mg):Raspberry ketones are natural substances that give red raspberries their powerful aroma. These ketones are extracted and used in supplements for their potential fat-burning properties. They are believed to cause the fat within cells to be broken down more effectively, helping your body burn fat faster. They are also linked to increased adiponectin levels, a hormone that helps regulate metabolism.

  • Caffeine Anhydrous (300mg):Caffeine anhydrous is a processed, dehydrated form of caffeine that is more concentrated than regular caffeine. It is widely used in the fitness and supplement industry for its stimulant effects. It can enhance alertness, improve concentration, and boost energy levels. It may also increase metabolic rate and fat burning, making it a common ingredient in weight loss and pre-workout supplements.

  • Eria Jarensis (N-Phenethyl Dimethylamine) (300mg):Eria Jarensis is an extract that is becoming popular for its euphoric effects similar to DMAA (1,3-dimethylamylamine) and is used for its mood-enhancing properties. It contains N-phenethyl dimethylamine, a compound that can act as a neuromodulator in the central nervous system and is known to boost energy levels, mental alertness, and performance.

  • 2-Aminoisoheptane (225mg):Also known as 2-amino, this compound is a stimulant often used as a pre-workout ingredient. It is said to have a structure similar to DMAA and can provide increased energy, focus, and a suppressed appetite, which can benefit extended workouts and weight management.

  • Caffeine Citrate (100mg):This ingredient is a fast-acting form of caffeine. It combines caffeine with citric acid and sodium citrate, and it’s known for its quick absorption rate. Caffeine Citrate can provide a rapid onset of action, making it desirable for those needing an immediate energy surge before their workouts. It’s often used with other forms of caffeine to provide a staggered effect on energy levels.

  • Dicaffeine Malate (100mg):This combination of caffeine and malic acid. The malic acid is supposed to soften the digestive effects of caffeine and act as a buffer, which can help prevent the crash commonly associated with caffeine consumption. It’s known for providing a longer-lasting, more sustained energy boost than caffeine alone.

  • Fucoxanthin 10% (50mg):Fucoxanthin is a unique carotenoid for brown seaweed and other marine sources. It’s known for its potential antioxidant and fat-burning properties. At a 10% concentration, it’s included in supplements to support metabolism and contribute to the body’s ability to burn fat as an energy source.

  • Isps HCI (25mg):This compound is similar to Citrus aurantium, also known as Cao Mahuang. It’s a stimulant used for its potential to increase energy expenditure, support weight loss, and enhance athletic performance. The HCI (hydrochloride) form is used for better absorption and bioavailability.

  • ProGBB (Gamma-Butyrobetaine Ethyl Ester Chloride) (25mg):ProGBB is a precursor to L-Carnitine and is believed to increase the body’s natural production of L-Carnitine. This can help enhance fat burning and increase energy levels, particularly during exercise. It’s often included in supplements to boost metabolism and support weight management.

  • Bioperine (Piper nigrum) (Fruit) (std. to 95% Piperine) (25mg):Bioperine is a patented extract obtained from black pepper fruits (Piper nigrum), standardised to 95% piperine. It is used to enhance the bioavailability of nutritional compounds. Increasing nutrient absorption ensures that you get the maximum benefit from all the ingredients in the supplement.

  • Rauwolfia Vomitoria Extract (std. to 90% Aphrodyne HCI) (1mg):This extract from the Rauwolfia plant contains Aphrodyne, also known as rauwolscine. It is a stimulant used for fat burning, as it’s believed to block alpha-2 adrenergic receptors, which can help promote weight loss. However, due to its potency, it’s included in tiny amounts.


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Dark Labs HeroLean is a hardcore stimulant and fat-burning thermogenic supplement. It is formulated for athletes who want to boost energy, accelerate fat loss through thermogenesis, and push through intense training with unwavering drive.

Key ingredients include L-Carnitine L-Tartrate (2500mg), Raspberry Ketones (500mg), and Caffeine Anhydrous (300mg). Each ingredient plays a specific role in supporting fat metabolism, energy production, and thermogenic activity.

L-Carnitine L-Tartrate (2500mg) transports fatty acids into the mitochondria where they are burned for energy. The L-Tartrate form is associated with improved absorption and may also support muscle recovery and metabolic function.

Raspberry Ketones (500mg) are natural compounds extracted from red raspberries. They are associated with enhanced fat cell breakdown and increased adiponectin levels, a hormone involved in metabolic regulation and fat oxidation.

HeroLean is designed to boost energy levels through sustained stimulation, stimulate fat loss via thermogenesis and metabolic support, and help athletes push through intense workout barriers. It combines stimulant and lipotropic compounds for a dual-action approach.

Follow the dosing instructions on the product label carefully. Due to the stimulant content (Caffeine Anhydrous 300mg+), start with a lower dose to assess tolerance and avoid taking close to bedtime.

HeroLean functions as both a stimulant and a thermogenic fat burner. It can be used as a pre-workout energy booster or as a standalone fat-burning supplement, depending on the individual’s training goals.

No. HeroLean is a hardcore formula with a significant stimulant and thermogenic load. It is designed for experienced users familiar with high-stimulant supplements and structured fat-loss routines.

The stimulant profile may cause elevated heart rate, increased body temperature, jitteriness, and insomnia if taken late in the day. Not suitable for individuals sensitive to stimulants, those with cardiovascular conditions, or anyone under 18.

Dark Labs HeroLean Thermo is available through Cross The Limits, an authorised UK retailer and official Dark Labs UK partner. Orders placed before 4pm are dispatched the same day, with free UK shipping on orders over £89.

Dark Labs

Dark Labs

Dark Labs is renowned for producing premium supplements tailored for individuals seeking to push beyond their physical limitations. Their products are meticulously formulated to support muscle building, enhance workout performance, and promote overall wellness.

Dark Labs provides: bodybuilders, powerlifters, fitness enthusiasts, and active people the tools to help them achieve their fitness goals safely and effectively.

Cross The Limits is listed as an official Dark Labs partner in the United Kingdom, making us a trusted source for original products in the UK and Europe!