Thymosin Alpha-1

At a glance

Approved in 30+ countries. The cleanest safety record in the course. Evidence grade A / B on an A-to-D scale.

Reported practice from trials and the community, not a recommendation for anyone.

What is Thymosin Alpha-1 used for?

Researchers have studied Thymosin Alpha-1 for boosting t-cell function, fighting viral infections, immune system training, and more. In plain terms: This is the real deal — approved in dozens of countries. It trains your immune system to work better.

Is Thymosin Alpha-1 FDA-approved?

Not in the United States, but it is an approved medicine in more than thirty other countries, mainly for hepatitis B and C.

How is Thymosin Alpha-1 usually taken?

The commonly reported pattern is under the skin, twice a week, for weeks to months. That describes reported practice from trials and the community. It is not a recommendation for anyone, and several of these compounds interact with common medications.

How strong is the evidence for Thymosin Alpha-1?

Grade A / B on this site's A-to-D scale. A means approved as a medicine somewhere, with large controlled trials behind that use. Approved in 30+ countries. The cleanest safety record in the course.

Is Thymosin Alpha-1 banned in drug-tested sport?

It is not specifically listed by the World Anti-Doping Agency, but tested athletes should check the current list and their federation's rules, since related compounds and blends often are.

How long does Thymosin Alpha-1 stay in the body?

The half-life, the time for half a dose to leave the body, is about ~2 hours. A short half-life means it wears off fast and is taken more often; a long one means once a week can be enough. Stored as a dry powder it keeps for months in the fridge; once mixed with water it is used within a few weeks.