Supplied as a lyophilised powder in a sealed laboratory vial, third-party HPLC-verified to greater than 99% purity, with a batch-specific Certificate of Analysis available on request
The final step of BH 4 synthesis actually involves three distinct steps all of which are catalyzed by the NADPH-dependent enzyme, sepiapterin reductase (SR)
If nausea persists, eating ginger, sipping clear broths, and eating smaller, blander meals can help

Step 2: Clean and prepare Wash hands thoroughly Clean workspace Remove caps from BPC-157 vial and bacteriostatic water Wipe both vial tops with alcohol swabs Step 3: Draw bacteriostatic water Insert needle into bacteriostatic water vial Draw calculated amount (e.g., 2.5ml for 5mg vial) Remove air bubbles by tapping syringe Step 4: Add water to BPC-157 vial Insert needle into BPC-157 vial SLOWLY inject water down the side of vial (not directly onto powder) Don't shake - let it dissolve naturally or swirl gently Takes 1-5 minutes to fully dissolve Step 5: Inspect solution Should be clear (no cloudiness) No particles or floating material Completely dissolved If cloudy, don't use (contaminated or degraded) Step 6: Label and store Write reconstitution date on vial Store in refrigerator (2-8C / 36-46F) Use within 28-30 days See complete reconstitution guide in our how to reconstitute peptides and how long reconstituted peptides last in fridge
Wickham S, West MB, Cook PF, Hanigan MH
133 GSTM1 has also shown significant associations with autoimmune diseases, especially vitiligo and atopic dermatitis