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LJ-100 Tongkat Ali Supplement

$ 39.95

Tongkat Ali enhances vitality and supports a healthy lifestyle. Experience potent benefits with a smaller serving for optimal results.
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Description

Tongkat Ali (Eurycoma longifolia) has been the subject of published research, including studies exploring its role in relation to stamina and overall men's wellness.* LJ100 is the patented, standardized form of this extract, manufactured to deliver consistent potency across every batch.

Double Wood's LJ100 Tongkat Ali delivers this patented extract in a straightforward daily capsule format, best positioned as a morning or early afternoon supplement. Every batch tested. Third-party tests by ISO/IEC 17025 accredited labs. COAs published openly. For those building a more intentional men's vitality routine, LJ100 pairs naturally with Zinc, combining botanical support with essential mineral nutrition.*

Soy-Free, Gluten-Free, Non-GMO, Vegan

Benefits
  • LJ100 patented standardized extract. LJ100 is a patented form of Eurycoma longifolia root, standardized for consistent potency across every batch.*
  • Supports men's vitality, motivation, and drive as part of a consistent daily routine.*
  • Supports stamina and everyday performance as part of a consistent routine.*
  • Commonly paired with Zinc. LJ100 supports men's vitality, motivation, and drive.* Zinc supports foundational reproductive and immune nutrition.* Often used together as part of a men's wellness routine.
  • Every batch tested. Third-party tests by ISO/IEC 17025 accredited labs. COAs published openly.

Directions & Dosage

Take 1 capsule daily, preferably in the morning or early afternoon, with or without food. Many people prefer taking it earlier in the day. Individual response varies. Designed for consistent daily use. Consult your healthcare provider for personalized guidance.

The Science Behind LJ100, Patented Eurycoma longifolia root extract

Stamina and Physical Performance Research. Eurycoma longifolia has been the subject of published research exploring its role in relation to stamina and physical training outcomes. A pilot study by Hamzah (2003), published in the British Journal of Sports Medicine, examined an aqueous Eurycoma longifolia extract (100mg daily, not the LJ100 branded extract) in a small group of men over a resistance training program and reported differences in certain body composition and strength measures compared to placebo. Because this study used a different, non-standardized extract rather than LJ100 specifically, we're presenting it as general category research rather than evidence for this specific product. This product is not intended to deliver the same outcomes, and individual results vary.

LJ100 Standardization LJ100 is manufactured by HP Ingredients using a proprietary extraction and standardization process intended to provide consistent levels of bioactive compounds across every production batch. This is the primary distinction between LJ100 and non-standardized Tongkat Ali extracts, where potency can vary depending on sourcing and manufacturing practices.

View Latest Test Results

Third-party tested for quality and purity

This production lot was tested for LJ-100 Tongkat Ali content, heavy metals, and microbial quality.

Test Claim or Limit Result
Potency
LJ 100 Tongkat Ali NLT 100 mg/serving 117.4 mg/serving
Heavy Metals
Cadmium (≤4.1 µg/day) ≤10.3 ppm <0.077 ppm
Lead (≤0.5 µg/day) ≤1.3 ppm 0.247 ppm
Total Mercury (≤0.3 µg/day) ≤0.8 ppm <0.005 ppm
Arsenic (≤10 µg/day) ≤25 ppm 0.139 ppm
Microbial Testing
Total Aerobic Count ≤10,000 cfu/g <100 cfu/g
Yeast & Mold ≤1,000 cfu/g <100 cfu/g
Coliform ≤100 cfu/g <100 cfu/g
E. Coli Absent Absent
Staphylococcus Aureus Absent Absent

Lot: AITXDManufactured: 07/2025

Lab: Canyonside Labs - Twin Falls ID

View Certificate of Analysis (PDF)

See the original Certificate of Analysis for complete testing details, methods, and laboratory documentation.
View Certificate of Analysis View Third Party Test Results
Identity, potency, and contaminants verified per batch Identity, potency, and contaminants verified per batch
Manufactured in an FDA-registered cGMP facility Manufactured in an FDA-registered cGMP facility
Manufactured in the USA from Globally Sourced Materials Manufactured in the USA from Globally Sourced Materials

Benefits

  • Supports Healthy Libido Levels: Research has shown LJ100 may help support healthy libido levels, especially as one ages.
  • Supports Male Hormone Levels: LJ100 helps to support healthy levels of male hormones.
Benefits

LJ100, Patented Eurycoma longifolia root extract

LJ100 is a patented, standardized extract of Eurycoma longifolia, commonly known as Tongkat Ali or Longjack, a root native to Southeast Asia with a long history of traditional use in men's wellness. LJ100 is manufactured by HP Ingredients. Published research has explored Eurycoma longifolia in relation to stamina and drive.* The standardization process is intended to provide consistent levels of bioactive compounds across batches, distinguishing it from non-standardized extracts.

LJ100, Patented Eurycoma longifolia root extract

What Customers Are Saying

Reviews

"Reputation of product and overall delivery and ordering experience has always been a good experience."

Jacqueline P.

"Always fast shipping and great selection no matter what you’re looking for."

Aaron B.

"Double Wood is always my go-to for supplements. Great, effective, clean products and always at a reasonable price."

Jan W.

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Supplement Facts

Pairs well with

Powerful alone, stronger together. LJ-100 Tongkat Ali Supplement delivers targeted support on its own, but combining it with complementary ingredients can help create a more holistic and balanced approach to wellness.

  • Fadogia Agrestis Supplement

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  • Ashwagandha Supplement

    Ashwagandha helps promote a sense of calm and balance in your daily life, making it easier to tackle stress and unwind.

Frequently Asked Questions

What does LJ100 Tongkat Ali do, and what is it used for?

LJ100 is a patented, standardized extract of Eurycoma longifolia used to support men's vitality, drive, stamina, and everyday performance.* Its bioactive compounds have been the subject of published research exploring their role in relation to stamina.

What is the difference between LJ100 and regular Tongkat Ali?

LJ100 is a patented, standardized extract of Eurycoma longifolia root manufactured by HP Ingredients, with consistent levels of bioactive compounds across every batch. Non-standardized Tongkat Ali extracts may vary in potency depending on sourcing and manufacturing practices.

How much longjack should I take per day, and when?

Take 1 capsule (100mg) daily. Many people prefer taking it earlier in the day. Individual response varies.

How long does it take for LJ100 Tongkat Ali to work?

LJ100 is designed for consistent daily use over time. Individual response varies, and consistent daily incorporation is the intended approach rather than as-needed use.

What supplements pair well with LJ100 Tongkat Ali?

LJ100 Tongkat Ali pairs naturally with Zinc as part of a men's vitality routine. LJ100 supports vitality, motivation, and drive.* Zinc supports foundational reproductive health and immune nutrition.*

Is LJ100 Tongkat Ali safe, and are there side effects?

LJ100 is generally well-tolerated at recommended serving sizes. Mild digestive discomfort may occur in some individuals, particularly on an empty stomach. Those who are pregnant, nursing, or taking prescription medications should consult their healthcare provider before use.

Is Double Wood LJ100 third-party tested, and where can I find the COA?

Every batch tested. Third-party tests by ISO/IEC 17025 accredited labs. COAs published openly. Testing verifies identity, potency, heavy metals by ICP-MS, and a full microbial panel. The Certificate of Analysis is publicly available on this product page.

Overall rating: 4.647059 / 5 from 34 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["energy","shipping","supplement","difference","wood"].

Review highlights

Reviews

I take 3 pills daily.

"I take 3 pills daily. No positive or negative effect."

— Alen G. (2/5)

"Great service and quality every time!"

— Michael (5/5)

Really seems to help

"I was having issues with low T effects. I added Tongcat to my regimen, and it seemed to boost the effects of my regimen. my desire and ability to react to that desire improved. Late night and morning wood returned. I did attack my issue with several supplementation and natural remedies, but after adding this supplement things seemed to come together. It did take 2 to 3 weeks of my routine for results to start showing."

— James K. (5/5)

No Effect on libido

"Done absolutely nothing for a healthy libido. Actually made it less responsive had to stack other supplements to even achieve satisfaction levels."

— eb_trekker (1/5)

"Great prices and fast delivery. I do wish their catalog of supplements was a little larger. I still have to shop multiple websites because I can't get everything I need here."

— Randall (4/5)

5 weeks in, I think I am seeing gains in strength.

"Buying more"

— Jan H. (5/5)

"I like the boost of energy during the day and for my workouts"

— Jeffrey (5/5)

"Great product."

— anthony (4/5)

Proven product at a very

"Proven product at a very good price point"

— Ed R. (5/5)

LJ 100 Tongat ALI 100mg

"LJ 100 Tongat ALI 100mg USA great supplement for keeping it active in the the bedroom! It’s also great for your mood!"

— John S. (5/5)

Q&A

LJ-100 Tongkat Ali Supplement

From

$ 39.95

Primary Benefit

Active Lifestyle & Fitness

Other Benefits

Men's Health

Product Form

Capsule
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