Thymosin alpha-1

An immune-signalling peptide

From $252/mo with a 3-month plan A licensed provider reviews your intake and decides whether it's appropriate for you. Your provider picks your starting dose and adjusts it as you go.

Made by a licensed compounding pharmacy. Compounded medications are not FDA-approved.

Research on this treatment is early, mostly from animal or small human studies.

• 100% online visit
• Licensed providers in all 50 states
• Ships in plain packaging
• Message your care team anytime

How getting thymosin alpha-1 works

1. Tell us about your health. A short online intake: your history, medications and goals.
2. A licensed provider reviews it. They decide whether it's right for you and set your dose.
3. Treatment ships to you. In plain packaging. Track it, and message your care team, from Care.

What it is

Thymosin alpha-1 is a peptide from the thymus that helps regulate immune response. It's approved in some countries for certain infections; it is not FDA-approved in the US.

How it works in the body

Supports T-cell function and immune signalling.

What to expect

• Weeks 2–8: Used in courses your provider sets.

May be a good fit if

• Immune support goals

Probably not for you if

• Organ transplant recipients on immunosuppressants
• Autoimmune conditions (discuss first)
• Pregnant or breastfeeding

Doses your provider can prescribe

• Thymosin A-1

Common side effects

• Injection-site reactions

Safety

A licensed provider reviews your intake and decides whether it's appropriate for you.

Made by a licensed compounding pharmacy. Compounded medications are not FDA-approved.

Research on this treatment is early, mostly from animal or small human studies.

This isn't a full list. Your provider reviews your history and medications before prescribing.

Know it's working

• Membership with Atlas. See how treatment is moving your labs, wearables and daily habits.

Common questions

Is it FDA-approved?

Not in the US. It's compounded here.

Not sure? Find your fit · Peptides