Neuro Lean®

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  • Effective blend of CAFFEINE ANHYDROUS, CAPSAICIN, YOHIMBE and FORSLEAN® COLEUS FORSKOHLII for energy and fat burning
  • Precisely formulated neuro focus complex with CHOLINE and ALPHA GPC for improved and stronger concentration
  • Also includes LION’S BOOST® LION’S MANE MUSHROOM, DMAE and PHOSPHATIDYL SERINE to support nootropic results
  • Featuring C3G (CYANIDIN-3-0-GLUCOSIDES) to support nutrient partitioning and muscle hardening
  • Rejuvenating neuro recovery blend of ingredients consisting of PARSLEY LEAF, HOLY BASIL POWDER and CORDYCEPS
  • Efficacious BIOPERINE® assists with bioavailability
  • Energizing B VITAMINS for natural energy support


Neuro Lean by Siren Labs is a cutting edge metabolism boosting supplement with a strong emphasis on sharpening your mental performance. Neuro Lean helps you burn more calories, boost energy levels, shed excess water weight, and most uniquely supports brain health with the suggested use of only one pill daily. Nootropics have gained popularity in today’s highly competitive society and are most often used to boost memory, focus, creativity, intelligence and motivation. Neuro Lean combines a healthy amount of caffeine, widely known to stimulate the brain and central nervous system, with other natural ingredients to support and improve brain health. Combining improved mental performance with with Neuro Lean’s ability to jump start’s your body’s metabolism and help reshape your physique truly give you the cutting edge. Neuro Lean is simply in a class of its own. For best results, pair with a calorie-controlled diet and exercise program.

  • Increased Focus & Memory: Choline bitartrate is the salt form of choline, an important essential nutrient. Choline is the direct precursor for acetylcholine, the ‘learning transmitter’. Your brain transforms choline into acetylcholine to allow it to function properly. Acetylcholine is involved in transmitting signals across neurons. Lion’s Mane Mushroom has been shown in some studies to stimulate the growth of brain cells and improve mental functioning.
  • Maximum Energy: The 300 mg of Caffeine Anhydrous in Neuro Lean is a type of caffeine that causes muscles to use greater amounts of fat that are broken down to create energy. The increased energy causes an elevated intensity to get the most from a workout. It also acts as an appetite suppressant.
  • Weight Loss: The capsaicin in cayenne peppers (cayenne fruit powder) has metabolism-boosting properties. Yohimbine is the active ingredient in Yohimbe Bark Extract. Yohimbine works by blocking receptors in the body called alpha-2 adrenergic receptors, many of which are found in fat cells and thus can lead to weight loss. ForsLean is the only branded coleus forskohlii ingredient in 7 clinical trials worldwide, and the first coleus patented for Lean Body Mass. C3G (Cyanidin-3-O-Glucosides) is a clinically studied compound found naturally in sources such as blackberries, purple corn, black rice and black soybeans has been shown to support several health benefits. C3G supports a cutting-edge new thermogenic process of nutrient partitioning, which is the shuttling of nutrients away from fat cells and into muscle. C3G is a highly advanced ingredient that not only helps drive the fat loss process, but also diverts nutrients like fat and carbs from being stored as fat to being stored in the muscle. This process is what contributes to “muscle hardening.”

Take 1 Neuro Lean® capsule daily or before your workout preferably with a meal and with 6-8 fl. oz. of water. Caffeine content is approximately 300 mg per capsule. To avoid sleeplessness, avoid taking within 6 hours of bedtime. To be used as part of a healthy lifestyle consisting of regular physical activity and a proper diet.


KEEP OUT OF REACH OF CHILDREN. For use by Healthy Adults only. Not for use by those under the age of 18. Do not exceed recommended dose. Do not use if you are pregnant or nursing. Before consuming seek advice from a health care professional if you are unaware of your current health condition. Contains caffeine. Do not consume caffeine from other sources, including but not limited to, coffee, tea, soda and other dietary supplements or medications containing caffeine. Consult with your physician prior to use if you are taking medication, including but not limited to MAOI inhibitors, antidepressants, aspirin, nonsteroidal anti-inflammatory drugs or products containing phylephrine, ephedrine, pseudoephedrine, or other stimulants. Consult your physician prior to use if you have a medical condition, including but not limited to, heart, liver, kidney, or thyroid disease, psychiatric or epileptic disorders, difficulty urinating, diabetes, high or low blood pressure, cardiac arrhythmia, recurrent headaches, enlarged prostate or glaucoma. Do not use if you are prone to dehydration or exposed to excessive heat. WARNING for California residents only: This product contains a chemical known in the state of California to cause birth defects or other reproductive harm. Discontinue use 2 weeks prior to surgery or if you experience rapid heart beat, dizziness, severe headache or shortness of breath. Do not use if tamper resistant seal is broken. STORE IN A COOL DRY PLACE. AVOID EXCESSIVE HEAT.

Frequently Asked Questions

Take 1 capsule daily or before your workout, preferably with a meal and with 6–8 oz. of water. NEURO LEAN is intended for users with a higher tolerance for stimulants. It isn’t intended for those sensitive to caffeine. We suggest avoiding NEURO LEAN within six hours of bedtime, since the energy blend in NEURO LEAN can sometimes lead to wakefulness.

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