LJ-100 Tongkat Ali Supplement

LJ-100, or longjack (Eurycoma longifolia), is an herbal extract known for supporting testosterone levels, enhancing energy, and improving physical performance. The recommended dosage typically ranges from 100 to 400 mg per day, depending on individual needs and product concentration.

LJ100® is a patented, clinically studied extract of Eurycoma longifolia (Tongkat Ali) that differs from many generic Tongkat Ali extracts in its standardization, manufacturing process, and scientific research.

LJ100® is produced using a proprietary hot water extraction and reverse osmosis process and is standardized to contain 22% bioactive eurypeptides, 40% glycosaponins, and 1.5% eurycomanone for consistent potency from batch to batch.

Unlike many generic extracts, LJ100® has been evaluated in more than 25 published human and preclinical studies investigating healthy testosterone levels already within the normal range, libido, stress response, energy, and physical performance. It was developed through research in Malaysia and at the Massachusetts Institute of Technology (MIT), making it one of the most extensively researched branded Tongkat Ali ingredients available.

The best time to take longjack is in the morning or early afternoon, preferably with food, to support energy levels and align with the body's natural hormone cycles. Avoid taking it late in the day, as its stimulating effects may interfere with sleep.

The typical daily dosage of longjack ranges from 100 to 300 mg of a standardized extract, depending on the product and individual goals. It's advisable to start with a lower dose and consult a healthcare provider for personalized guidance.

Eurypeptides and glycosaponins are two of the primary bioactive compounds naturally found in Eurycoma longifolia (Tongkat Ali). LJ100® is standardized to contain 22% bioactive eurypeptides and 40% glycosaponins, ensuring each serving provides consistent levels of these naturally occurring compounds rather than the variable concentrations found in many generic extracts.

Researchers believe these compounds contribute to Tongkat Ali's effects on hormone balance, physical performance, and stress response, which is why they are used as quality markers for the LJ100® extract.

Yes. Every batch is third-party tested by an ISO/IEC 17025-accredited laboratory for identity, eurypeptide and glycoprotein content, heavy metals, and microbial safety. LJ-100® is the branded, patented Tongkat Ali extract from HP Ingredients, standardized to 22% bioactive eurypeptides, 40% glycosaponins, and 30% polysaccharides — the only Tongkat Ali extract with multiple human clinical trials published on this specific standardization. Active content is verified by HPLC against LJ-100® reference standards. The full COA panel covers four heavy metals via ICP-MS (arsenic, cadmium, lead, mercury) and six microbial screens (TPC, Yeast & Mold, Coliform, E. coli, Salmonella, Staph aureus). Manufactured in a cGMP-certified U.S. facility.

The COA verifies 100 mg of LJ-100® standardized Tongkat Ali extract per capsule — sufficient to deliver the eurypeptide, glycosaponin, and polysaccharide profile (22%/40%/30%) used in published human clinical trials on free testosterone, cortisol regulation, and male reproductive health. The branded LJ100® ingredient from HP Ingredients is patented and is the only Tongkat Ali extract with this specific clinical research portfolio. Identity is verified against the LJ-100® reference fingerprint, distinguishing it from generic Tongkat Ali. Heavy metals: arsenic, cadmium, lead, and mercury verified below USP <2232> daily-intake limits via ICP-MS. Microbials within USP and AOAC specifications. The current batch COA is linked above for verification against the lot number on your bottle.