Trenbolone Acetate
Also known as Tren A, Tren Ace, Fina
One of the most powerful and harshest anabolic steroids in circulation - short ester, fast on and fast off.
Anabolic steroid — not a peptide
This compound is an anabolic steroid, not a research peptide. It has a different risk profile, legal status, and side-effect spectrum. The information here is for education only and is not medical advice or a recommendation to use. Read the medical disclaimer.
How it's taken (route)
a deeper shot into a muscle, usually the glute, thigh, or shoulder
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- Documented dose
- 50–100 mg
- Typical frequency
- Every other day
- Cycle
- 8 weeks on, 12 off
- Half-life
- Roughly 1-2 days
- Common vial sizes
- 100 mg
- Regulatory status
- Controlled anabolic steroid (Schedule III in the US). Not approved for human use.
Dose on a U-100 syringe (50–100 mg)
| Vial | BAC water | Draw |
|---|---|---|
| 100 mg | 1 mL | 50–100 unitslarge volume |
On a U-100 syringe, 100 units = 1 mL, and the syringe holds 100 units total. Most people keep a single subcutaneous injection under about 50 units — bigger volumes are usually mixed stronger (less water) or split into two shots. Only mixes that fit in one syringe are shown. Always double-check with the reconstitution calculator.
What it does
Trenbolone acetate produces dramatic strength, hardness and recomposition changes, and an equally dramatic side effect profile: insomnia, night sweats, cardio collapse, aggression and mood swings are commonly reported. Short ester means every-other-day injections and a quick exit if things go wrong. It is not a beginner compound under any circumstance.
Mechanism
Extremely high affinity 19-nor androgen receptor agonist that does not aromatize but raises prolactin and progestogenic activity. Also reduces cortisol signalling and increases nutrient partitioning.
Storage — lyophilisedwhat's this?
Oil solution: room temperature, away from light.
Storage — reconstitutedwhat's this?
Keep the vial clean and use within the labelled shelf life.
Reconstitution noteswhat's this?
Ready to inject. Distinctive dark amber colour. Cough right after injection is commonly reported.
Commonly reported side effects
- Insomnia and night sweats
- Severe cardio and endurance loss
- Aggression, anxiety and mood swings
- Raised prolactin, possible sexual dysfunction
- Crushed HDL cholesterol
- Blood pressure increase
- Kidney strain markers
Contraindications noted
- Any history of anxiety, depression or mood disorder
- Cardiovascular disease or high blood pressure
- Kidney concerns
- Poor sleep or shift work
- Trying to conceive
- Anyone new to steroids
- Under 21 years of age
Research notes
No human clinical research - originally a cattle implant compound. Everything known is anecdotal. Blood pressure, lipids, kidney markers and mental health need close monitoring.
Vendors carrying Trenbolone Acetate
These research suppliers list this compound. Prices, vial sizes and testing vary — always check the current lot certificate before you buy.
Peptide Streak does not sell peptides and is not affiliated with these vendors. Some list metabolic compounds under coded product names.