YK-11 Reconstitution Calculator
Enter the amount you want to measure. The vial buttons will highlight which vial strengths create cleaner syringe-unit measurements.
What amount do you need?
Type the target amount, then choose mg or mcg. Example: 2mg or 500mcg.
Syringe size:
Possible vial strengths:
Best Match
Good Match
Usable
Harder to Measure
Example YK-11 Titration Schedule
| Parameter | Details |
|---|---|
| Dosage | 2–20 mg/day (common: 5–10 mg/day) |
| Route | Oral |
| Frequency | 2 times per day (due to short half-life) |
| Cycle Length | 4–8 weeks, then 4 weeks off |
| Half‑life | 6–10 hours |
| Reconstitution | Not applicable (oral) |
Possible vial strengths:
What Is It?
YK-11
Myostatin pathway research compound.
Bacteriostatic Water
Sterile water containing a bacteriostatic preservative, commonly used when preparing multi-use research vials.
How To Mix YK-11
1
CleanUse alcohol swabs to clean the tops of both vials.
2
Draw BAC WaterDraw the selected amount of bacteriostatic water.
3
Inject SlowlyAdd the liquid slowly down the side of the vial.
4
Swirl GentlyDo not shake. Swirl gently until dissolved.
5
Store ProperlyStore as directed and protect from heat and light.
Best Practices & Common Mistakes
Best Practices
- Use sterile technique.
- Protect from light and heat.
- Store refrigerated when appropriate.
- Use clean syringe-unit math before measuring.
Common Mistakes
- Confusing milligrams with milliliters.
- Choosing an option with awkward decimal units.
- Using too little liquid for very small measurements.
- Shaking the vial aggressively.
YK-11 Storage & Handling
Lyophilized Powder: −20°C (−4°F) for long-term storage (up to 24 months). Refrigeration 2–8°C (36–46°F) for short-term use (up to ~3 months). Original sealed vial in the freezer is safest.
Reconstituted Solution: 2–8°C (36–46°F), use within ~7–14 days. Keep sealed, avoid light, and do not repeat freeze-thaw cycles.
Reconstituted Solution: 2–8°C (36–46°F), use within ~7–14 days. Keep sealed, avoid light, and do not repeat freeze-thaw cycles.
Frequently Asked Questions
YK-11 is a synthetic steroidal SARM-like research compound, not a peptide. It is usually discussed because it acts as an androgen receptor partial agonist and has been studied in muscle-cell models for effects involving follistatin expression.
YK-11 is not a peptide chain and should not be treated like a lyophilized peptide vial. It is usually classified as a steroidal SARM-like compound, which means calculator math should focus on solution concentration rather than bacteriostatic-water peptide reconstitution.
YK-11 is mainly discussed for androgen receptor signaling and follistatin-related muscle-cell research. The “myostatin inhibitor” label is popular online, but the strongest public evidence is limited cell-model work, not human proof of muscle growth or safe performance enhancement.
Use the calculator for concentration math only, not for a human dose or cycle. For example, 10 mg of YK-11 prepared into 4 mL of a suitable research solvent gives 2.5 mg/mL; a 1 mg research amount would equal 0.40 mL, or 40 units on a U-100 syringe if that syringe is only being used to measure liquid volume.
YK-11 should be treated as high-uncertainty because there are no established human safety standards, no FDA-approved medical use, and SARM-like compounds can carry hormone, liver, lipid, cardiovascular, and doping-related concerns. Reddit results, before-and-after posts, and stack claims are not reliable safety evidence.
Practical takeaway: If your real goal is weight or metabolic health, the most useful next step is discussing approved treatment options with a clinician rather than relying on an unapproved compound.
Important: This tool is for informational and research-reference purposes only. Not intended for human or veterinary use.