ACE-031 1mg

R650,00

ACE-031 1mg

Significant Muscle Growth, Improved Strength & Performance, Fat Loss Support

R650,00

Out of stock

What It Is?

Ace-031 (also known as ACVR2B-Fc or activin receptor type IIB fusion protein) is a lab-made synthetic fusion protein- a modified soluble form of the activin receptor that acts as a potent myostatin inhibitor. Developed in the 2000s by Acceleron Pharma, it was designed to block myostatin (the ‘muscle brake’ protein) so muscles can grow larger and stronger. It is administered via subcutaneous injection and remains strictly investigational.

Observed Side Effects

Ace-031 showed side effects in early human trials, which led to development being halted.
In Phase 1/2 studies: High dose-dependent bleeding issues were the main problem.
Reported effects:
-Nosebleeds, gum bleeding, or easy bruising (most common reason trials stopped) on high doses.
-Injection-site reactions.

Bottom line: Powerful but higher-risk than most peptides – the bleeding side effects make it one of the more controversial research compounds.

Reconstitution, Dosage and Cycling

Research Guidelines Only. Not for Human Use.

No official guidelines (investigational), so these come from early trial protocols and research use.

Typical dose (subcutaneous injection – belly or thigh):

Reconstitute 2ml Bac water into 1mg Vial. See Reconstitution Guide

For 50mcg per day. Draw 10 units from 1ml syringe (0.1ml) and administer once per day in the morning.

1 vial should last 10 doses.

-Frequency: 3-5 times per week.

Cycling:

– 4-8 weeks ‘on’; then 4-8 weeks off (to avoid receptor desensitization).
– Often used in short, powerful cycles for maximum muscle-building effect.

Tip: Reconstitute with bacteriostatic water; store in fridge. Use insulin syringes and sterile technique.

Fun Facts you Should Read

-Myostatin blocker: myostatin is the natural muscle brake; blocking it lets muscles grow far beyond normal limits.
-Activin receptor decoy: acts like a sponge that traps the muscle-limiting proteins before they can signal.
-Mighty mouse origin: inspired by ‘mighty mice’ bred without myostatin that were twice as muscular as normal.
-Muscle-wasting hope: originally developed for Duchenne muscular dystrophy and sarcopenia.
-Bleeding trade-off: the same mechanism that grows muscle can thin blood vessel walls in some people.
-Research legend: one of the strongest anabolic peptides ever tested, but safety issues kept it from becoming a drug.
-Still circulating : remains popular in underground bodybuilding circles despite the risks.

Citations and Sources

1. Acceleron Pharma press release (2010): Phase 1 trial showed dose-dependent muscle mass increases but bleeding events led to discontinuation.
2. Swolverine review (20252026): Myostatin inhibitor for muscle growth; powerful but high bleeding risk noted.
3. Lotilabs research overview (2025): Activin receptor decoy; dramatic lean mass gains in animals but safety signals in humans.
4. Peptide Sciences page (2026): Research-only status; mechanism via myostatin blockade.
5. Revolution Health guide (2026): Strong preclinical muscle hypertrophy; human trials halted due to nosebleeds.
6. WADA Prohibited List (2026): Myostatin inhibitors explicitly banned.
7. ClinicalTrials.gov Ace-031 studies (referenced 2026): Early trials for muscular dystrophy and muscle wasting; development stopped.
8. DrOracle summary (2026): Potent anabolic effects but significant safety concerns; not recommended for general use.
9. PMC mechanistic review (2013, referenced 2026): Activin receptor blockade increases muscle mass in models.
10. Paragon Sports Medicine (2026): High-risk research peptide; bleeding issues prominent in early human data.
Takeaway: Extremely powerful for muscle growth in preclinical work, but human development stopped due to bleeding risks one of the riskiest research compounds.

Dislaimer

Important disclaimer upfront: Ace-031 is NOT approved by the FDA (or any major agency). Research Use only in labs. Not for Human consumption. Clinical development for muscle-wasting diseases was discontinued due to safety signals (nosebleeds, gum bleeding). It remains a research chemical only. Long-term safety in healthy people is unknown. It is banned by WADA. Always talk to a doctor – this is not medical advice.

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