# LJ100 (Tongkat Ali, Standardized)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/lj100-tongkat-ali-standardized
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 8 / 10
**Category:** Other
**Also Known As:** Eurycoma longifolia, Malaysian Ginseng, Pasak Bumi, Longjack, Cay Ba Binh, Tho Nan, Ali's Walking Stick

## Overview

LJ100 is a patented, standardized extract of Eurycoma longifolia containing 22% eurypeptides and 40% glycosaponins. It increases [testosterone levels](/ingredients/condition/hormonal) by stimulating luteinizing hormone release and reducing [cortisol](/ingredients/condition/stress)-induced suppression.

## Health Benefits

- Boosts [testosterone levels](/ingredients/condition/hormonal) by up to 37% through increased luteinizing hormone, enhancing muscle growth and strength. This is crucial for athletes and bodybuilders. - Enhances libido by increasing free testosterone, improving sexual health and performance. This can lead to a more satisfying personal life. - Reduces stress by lowering [cortisol levels](/ingredients/condition/stress), promoting a balanced mood and mental clarity. This is vital for maintaining emotional well-being. - Supports weight management by boosting metabolism, aiding in fat loss and lean muscle retention. This is key for those looking to improve [body composition](/ingredients/condition/weight-management). - Improves [bone health](/ingredients/condition/bone-health) by increasing bone density, reducing the risk of fractures. Strong bones are essential for an active lifestyle. - Enhances [cognitive function](/ingredients/condition/cognitive) by supporting neurotransmitter balance, improving focus and memory. This is important for productivity and mental sharpness. - Supports [immune function](/ingredients/condition/immune-support) by modulating immune response, helping to protect against illness. A robust immune system is crucial for overall health.

## Mechanism of Action

LJ100's eurypeptides and glycosaponins stimulate the hypothalamic-pituitary-gonadal axis, increasing luteinizing hormone secretion from the anterior pituitary. This enhanced LH release promotes Leydig cell [testosterone production](/ingredients/condition/hormonal) while simultaneously reducing [cortisol levels](/ingredients/condition/stress) that typically suppress androgen synthesis. The extract also increases the conversion of bound testosterone to free testosterone by modulating sex hormone-binding globulin (SHBG) levels.

## Clinical Summary

A 12-week randomized controlled trial with 109 men aged 30-55 showed LJ100 increased total [testosterone](/ingredients/condition/hormonal) by 37% and free testosterone by 34% at 300mg daily. Multiple studies demonstrate significant improvements in libido, erectile function, and muscle strength within 4-12 weeks of supplementation. Clinical evidence includes both placebo-controlled trials and open-label studies with sample sizes ranging from 25-109 participants, showing consistent hormonal and performance benefits.

## Nutritional Profile

{"bioactive_compounds": {"Eurycomanone": "1.5% - 2.0%", "Quassinoids": "0.8% - 1.2%", "Alkaloids": "0.5% - 1.0%"}, "micronutrients": {"Calcium": "10 mg", "Magnesium": "5 mg", "Zinc": "2 mg"}, "bioavailability_notes": "The bioactive compounds in LJ100, such as eurycomanone, have moderate bioavailability, which can be enhanced when taken with piperine or fats."}

## Safety & Drug Interactions

LJ100 is generally well-tolerated with mild side effects including occasional [insomnia](/ingredients/condition/sleep), restlessness, and increased body temperature reported in less than 5% of users. It may interact with blood sugar medications due to potential hypoglycemic effects and could enhance the effects of [testosterone](/ingredients/condition/hormonal) replacement therapy. Not recommended during pregnancy or breastfeeding due to insufficient safety data. Individuals with hormone-sensitive conditions should consult healthcare providers before use.

## Synergistic Combinations

Combining LJ100 with Ashwagandha, Tribulus Terrestris, and Black Pepper Extract (Piperine) can enhance its effects. Ashwagandha and Tribulus Terrestris may further support [testosterone production](/ingredients/condition/hormonal) and stress reduction, while Piperine can increase the absorption of eurycomanone and other bioactive compounds, maximizing the overall efficacy of the supplement.

## Frequently Asked Questions

### How much LJ100 should I take daily?

Clinical studies support 200-400mg of LJ100 daily, typically taken with meals. The most common effective dosage is 300mg daily, which showed 37% testosterone increases in 12-week trials.

### How long does LJ100 take to work?

LJ100 typically shows initial effects within 2-4 weeks, with peak testosterone benefits occurring after 8-12 weeks of consistent use. Libido improvements may be noticed within the first 2 weeks of supplementation.

### What makes LJ100 different from regular tongkat ali?

LJ100 is standardized to contain 22% eurypeptides and 40% glycosaponins, the active compounds responsible for testosterone benefits. Regular tongkat ali extracts vary widely in potency and may contain minimal active compounds.

### Can women take LJ100 tongkat ali?

Women can use LJ100 at lower doses (100-200mg daily) for stress reduction and energy benefits. However, pregnant or breastfeeding women should avoid it due to insufficient safety data.

### Does LJ100 cause side effects?

LJ100 side effects are rare but may include mild insomnia, restlessness, or increased body heat in less than 5% of users. These effects are typically dose-dependent and resolve with continued use or dosage adjustment.

### Does LJ100 interact with testosterone replacement therapy or other hormone medications?

LJ100 works by stimulating your body's natural testosterone production rather than replacing hormones, but combining it with prescription testosterone therapy or other hormone medications could lead to excessively high testosterone levels. You should consult with a healthcare provider before taking LJ100 if you're on any hormone-related medications, including TRT, birth control, or thyroid medications. This ensures safe combined use and proper monitoring of your hormone levels.

### What clinical research supports LJ100's testosterone and performance claims?

Multiple peer-reviewed studies have demonstrated that LJ100's standardized extract increases luteinizing hormone and free testosterone by up to 37% in healthy men within 5 weeks of supplementation. Research also shows improvements in sexual function and mood, with the ingredient being well-studied in athletes for muscle strength gains. The standardized formulation (LJ100) is specifically researched, making it more evidence-backed than unstandardized tongkat ali extracts.

### Who benefits most from taking LJ100—athletes, aging men, or both?

LJ100 is beneficial for both athletes seeking enhanced muscle growth and strength, and for aging men experiencing declining testosterone and reduced sexual performance. The ingredient is particularly effective for men over 30 who naturally experience testosterone decline, as well as high-performance athletes and bodybuilders aiming to optimize hormonal levels naturally. Individuals experiencing stress-related fatigue and cortisol imbalance may also see benefits from its mood-stabilizing effects.

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*