Turkesterone

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Turkesterone is a plant compound from the ecdysteroid family, found in plants such as Ajuga turkestanica, and sold in capsules mainly to people who lift weights. This small range includes turkesterone capsules from Killer Labz, Beast Labs Nutrition and Legit Supplements. Below is a plain look at what is known, what is not, and how to compare products.

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Turkesterone: buying guide

What turkesterone is

Turkesterone is a phytoecdysteroid, meaning a plant-made ecdysteroid. Ecdysteroids have a structure related to cholesterol, which is where the "steroid" in the name comes from. Over-the-counter turkesterone supplements contain no human hormones such as testosterone, and evidence that they raise hormone levels in healthy people is limited.

What the research says

Human evidence for turkesterone itself is very limited. Its absorption, how the body handles it and its possible effects in people have not yet been established, and most interest comes from laboratory work.

A 2019 study on ecdysterone, a related ecdysteroid, is often discussed. It gave ecdysterone-containing supplements to young men during a 10-week strength training program and reported larger gains in muscle mass and bench press strength than in the comparison group, with no rise in liver or kidney markers. That study did not test turkesterone, and one small trial is not enough to draw firm conclusions.

If your goal is strength and muscle, the basics matter most: progressive training, enough total protein and good sleep. Among supplements, creatine is in Group A of the Australian Institute of Sport framework, its strongest evidence tier.

How to compare products

  • Milligrams per serve. Check turkesterone per capsule and how many capsules make a serve.
  • Extract details. Look for the plant source and any stated standardisation, such as a percentage of turkesterone in the extract.
  • Full disclosure. Prefer labels that list exact amounts rather than proprietary blends.
  • Testing. Third-party batch testing gives more confidence about what is in the capsule.

Drug-tested athletes

The Australian Institute of Sport places hormone boosters and testosterone boosters in Group D of its framework, meaning products that are banned or at high risk of contamination with substances that could cause a positive test. If you compete in a drug-tested sport, choose batch-tested products (for example HASTA or Informed Sport certified) and check with your sport before using any product in this category.

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Related categories

See creatine, performance boosters and supplements for men.

Sources: Isenmann E et al. Ecdysterone supplementation in humans, Archives of Toxicology (2019); AIS Sports Supplement Framework (ABCD system).

Order online with Australia-wide delivery, free on orders of $100 or more, or visit a Supps247 store in Melbourne, regional Victoria or Brisbane to compare products in person before you buy. Members can use our price match guarantee on full-priced items.

Always read the label and follow the directions for use. If you have a medical condition, are pregnant or take regular medication, check with your doctor first.

Turkesterone: questions and answers

Does turkesterone actually work?
There is not enough human research to say. Turkesterone's absorption and effects in people have not been established, and most of the interest comes from lab studies. A 2019 trial on ecdysterone, a related compound, reported greater gains in muscle and bench press strength over 10 weeks of training, but it did not test turkesterone and needs to be confirmed by further research.
Is turkesterone a steroid?
Not in the sense most people mean. Turkesterone is a phytoecdysteroid, a plant compound whose structure is related to cholesterol, which is why the name includes 'steroid'. Over-the-counter turkesterone supplements contain no human hormones such as testosterone, and evidence that they raise hormone levels in healthy people is limited.
Can drug-tested athletes take turkesterone?
Be very cautious. The Australian Institute of Sport places hormone and testosterone boosters in Group D, meaning products that are banned or at high risk of contamination that could lead to a positive test. If you are tested, choose only batch-tested products such as HASTA or Informed Sport certified, keep records, and check with your sport or anti-doping body first.
How should I take turkesterone?
Follow the directions on your product's label and do not exceed the stated serve, because there is no established dose from human research. Products differ in milligrams per capsule and extract strength, so compare labels before switching brands. If you are under 18, have a medical condition or take regular medication, check with your doctor before using it.
Where can I buy turkesterone online in Australia?
You can order turkesterone online with delivery Australia-wide, free on orders of $99.99 or more, or use the store finder to compare products at one of our 18 stores. Rather than hunting for the single best turkesterone, look for a label that states the extract strength. Our range includes Beast Labs Nutrition Turkesterone and Killer Turk by Killer Labz. Stock varies between stores, so check the product page or call before you travel.
Is turkesterone safe, and does it have side effects?
Nobody knows enough yet. Operation Supplement Safety, run by the US Department of Defense, says there is insufficient scientific evidence to confirm the safety of turkesterone in humans. A small 2024 study gave a few short-term doses to 11 healthy young men and reported good tolerance, and a 2019 study of ecdysterone, a related compound, found no rise in liver or kidney markers over 10 weeks. Neither tells us about long-term use. If you are under 18, pregnant, breastfeeding, on medicine or have a health condition, talk to your GP first.
How much turkesterone per day is in these products?
There is no research-based daily dose, so follow your product's label. Labels differ a lot. One Beast Labs capsule contains 600 mg of Ajuga turkestanica extract standardised to 10%, which the label says gives 60 mg of turkesterone. A two-capsule serve of Killer Turk has 1,000 mg of Ajuga extract plus 100 mg of Rhaponticum extract, without stating the turkesterone percentage. The big number on the front is usually the whole extract, so read the panel.
What results can I expect from turkesterone?
Keep expectations modest. Operation Supplement Safety describes results from the few small human studies as inconsistent. A 2024 study found no significant change in IGF-1 or resting metabolic rate after short-term doses, and a 2025 trial of a similar plant product found no extra strength or muscle gains over placebo across 12 weeks of training, partly because the capsules held far less than the label claimed. Most of your progress will come from consistent training, enough protein and good sleep.
Is turkesterone better than creatine?
Not on current evidence. Creatine monohydrate sits in Group A of the Australian Institute of Sport framework, its strongest evidence tier, and the International Society of Sports Nutrition says studies have consistently linked it to better high-intensity exercise performance and training adaptations. Turkesterone has only a handful of small human studies with mixed results. If you are choosing one, creatine has far stronger support. Some people take both, so check each label and talk to your GP if you have a medical condition.
Does turkesterone boost testosterone in men?
There is no reliable human evidence that it does, and turkesterone itself is not testosterone. If you have symptoms such as low energy or low libido, see your GP: healthdirect explains that low testosterone is diagnosed with a blood test, ideally taken early in the morning, and confirmed with a second test. Men in drug-tested sport should also know that ecdysterone, a closely related compound, is on the WADA Monitoring Program for 2026 and 2027, which tracks substances that are not on the Prohibited List.

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