LJ100: The King of Natural Testosterone Boosters – T Nation Content – COMMUNITY

Everything You Need to Know About Longjack

Longjack (Eurycoma longifolia) boosts natural testosterone if you source the right kind — LJ100. Here’s what you need to know.

Several natural supplement ingredients purportedly boost testosterone. Some work and some don’t. But the one with the best track record and the most solid clinical research behind it is Longjack (Tongkat Ali), derived from the Malaysian Eurycoma longifolia root.

LJ100 Longjack was developed and patented by the Government of Malaysia and the Massachusetts Institute of Technology – the same material that’s in Biotest’s Omega-Man High Absorption Longjack. The patent is titled Bioactive Fraction of Eurycoma Longifolia. It describes a standardized extract that increases testosterone synthesis and production from bioactive fractions of Eurycoma longifolia. The bioactive fractions were later revealed as eurypeptides, glycosaponins, and eurycomanone.

The patent is for increasing testosterone by two actions:

  1. Synthesizing testosterone by blocking its aromatization into estrogen.
  2. Stimulating testosterone production in testicle Leydig cells.


Four recent studies show significant benefits of LJ100:

  1. Supplementation of 200 mg of LJ100 increases serum total testosterone, reduces fatigue, and improves the quality of life in aging men within only 2 weeks.
  2. 200mg of LJ100 plus training improved erectile function and increased total testosterone levels in aging men with androgen deficiency.
  3. There were significant benefits of exercise and LJ100 consumption as a non-pharmacological treatment for androgen deficiency.
  4. The raised testosterone following LJ100 supplementations could benefit muscle and strength gain in young adults.

So, why do some Longjack supplements raise testosterone while others don’t?

There are three reasons:

  1. They don’t contain active Longjack
  2. They’re underdosed.
  3. Absorption of Longjack active ingredients varies among individuals.

Omega-Man solves all three problems:

  1. Omega-Man contains verified LJ100 material.
  2. Omega-Man contains 300mg of LJ100 per softgel/dose, 50% more than standard clinical dosing.
  3. Omega-Man is formulated in a self-emulsifying delivery matrix designed to get all active fractions into the body. The microemulsion is a game-changer for complete absorption.

Buy Omega-Man at Biotest

Omega-Man Certificate of Analysis


  1. Effect of Eurycoma longifolia standardized aqueous root extract Physta® on testosterone levels and quality of life in aging male subjects: a randomized, double-blind, placebo-controlled multi-center – 2021
  2. A 6-month, double-blind, placebo-controlled, randomized trial to evaluate the effect of Eurycoma longifolia (Tongkat Ali) and concurrent training on erectile function and testosterone levels in androgen deficiency of aging males (ADAM) – 2020
  3. Exercise associated or not to the intake of Eurycoma longifolia improves strength and cardiorespiratory fitness in men with androgen deficiency – 2021
  4. The effect of Eurycoma Longifolia on the regulation of reproductive hormones in young males – 2021


I used Alpha Male according to the protocol on the bottle for over 6 months. It did not increase my testosterone at all. Testosterone increased total and free by a lot, at a similar price point.

Sorry if I’m being obtuse, but do you mean actual testosterone (patch, pellet, cream, or injectable) was the only thing that worked?

1 Like

Great article, TC. I had been purchasing Tongkat from Horbaach through Amazon. As I often do, I go directly to the company’s website (maybe it’s cheaper there or at least I pay them directly). Big problem, they’re not selling Tongkat on their own website, but they are on a Horbaach store front. Looks like I’m in the market for another brand! (Also, their ratio is 200:1 FYI) Might try Alpha Male. Thanks for the tips.

1 Like

Since I can’t quote the entire article to point out all of the cool stuff I learned, I’ll just highlight this part.

This is the stuff I love reading about, so thanks for diving deep into all of the little details.

1 Like

Does Tongkat Ali need to be cycled?

The new thinking is to take one month off every year – 11 months on, 1 month off.

Yes. I’m currently using injectable testosterone and anastrozole pills. I encourage anyone using non-prescription testosterone boosters to do before and after testing to make sure you’re getting a bang for your buck. Actual testosterone is giving me felt, observable and measurable results. Unfortunately, the supplement didn’t.

1 Like

I think I mentioned that tongkat Ali isn’t for anyone with true hypogonadism. Instead, it’s for people who want to increase their natural T levels, to be slightly more than they are, hormonally speaking.

Can you please elaborate on that? I was under the impression that Tongkat cycling was 5 days on and 2 days off? Does the short half-life have an impact on this transition? Any risks associated with such a long-term supplementation?

Interesting article, I will have to be looking into it… thank you for the info.

Would there be any issues pairing Alpha Male with Carbolin 19?

I also used Alpha Male and experienced no credible results. Every 3 months I get a blood panel and for over 6 months and 2 panels nothing changed! With due respect, I will never use Biotest products.

Source link

We will be happy to hear your thoughts

Leave a reply

Nyc Health Store | Amazon Affiliate Store
Enable registration in settings - general
Compare items
  • Total (0)