Practical

Peptide Reconstitution: Complete Guide with Examples

How to reconstitute a lyophilized vial step by step, formulas, U100 unit conversion, and common mistakes to avoid.

๐Ÿ“– 7 min read ๐Ÿ“… Updated 2026-05-15

What you need

Concentration formula

mg/mL = total mg in vial รท mL water

BPC-157 10 mg + 2 mL = 5 mg/mL.

U100 conversion

Units = (dose mg รท concentration) ร— 100

250 mcg at 5 mg/mL = 5 units U100.

Step by step

  1. Clean stoppers.
  2. Draw water.
  3. Insert at angle.
  4. Release slowly.
  5. Don't shake โ€” roll.
  6. Refrigerate.

Blends

  • CJC-1295/Ipa 5+5 mg + 1 mL = 10 mg/mL total.
  • Wolverine 10+10 mg + 2 mL = 10 mg/mL total.
  • GLOW 70 mg + 3 mL = 23.3 mg/mL.
  • KLOW 80 mg + 3 mL = 26.7 mg/mL.

Mistakes

  • Shaking.
  • Water without preservative.
  • Reusing syringes.
  • Heating.

Storage

Reconstituted: ~28 days refrigerated.

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โš  Research use only. Not medical advice.