How to Reconstitute Any Peptide Answered

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I get questions about reconstitution and research dosing constantly, so here's everything you need to know in one place.

I'm building out a comprehensive FAQs section in the Classroom to answer all the common questions I get. If you're still confused after reading this, head over to the Reconstitution FAQ here: https://www.skool.com/peptide-price-9771/classroom/b7dcc989?md=5ef850cf36f5467b9fbb9811f9b69cbf

The Most Important Thing to Understand

The amount of BAC water you use is entirely up to you. There is no single "correct" amount—you're just choosing how concentrated you want the peptide to be.

That said, there are practical guidelines that make the process much easier.

My Simple Rule of Thumb (for peptides under 30mg)

For every 1 mg of peptide, use 10 units of BAC water.

Example with a single peptide:

20 mg peptide
10 units per mg
20 × 10 = 200 units
200 units = 2 mL of BAC water

So you'd reconstitute a 20 mg vial with 2 mL of BAC water.

Important Vial Size Rule

For anything in a small vial that's over 30 mg, always use 3 mL of BAC water. That's simply the most that will fit in a standard small peptide vial.

Once you go past 30 mg, you're no longer choosing concentration freely—you're limited by physical vial volume.

What About Blends?

For blends, add up the total peptide amount first, then apply the same logic.

Example with a blend:

10 mg BPC-157
10 mg TB-500
Total peptide = 20 mg

Now apply the rule:

20 mg × 10 units = 200 units
200 units = 2 mL BAC water

Blends are reconstituted based on total mg, not each peptide individually. If the total blend exceeds 30 mg in a small vial, use 3 mL.

Make It Even Easier With the Calculator

I built a calculator specifically for this: https://peptideprice.store/calculator

How to use it for a single peptide:

Enter Peptide Vial Amount (mg)
Enter BAC Water amount (mL)
Enter your desired dose
Select syringe size
Hit Calculate

It tells you exactly how many units to draw.

Autofill Blend Feature:

There's also an autofill option for common blends. Select a blend, and it auto-fills the peptide amounts. Then you can calculate dosing based on one specific peptide in the blend.

Insulin Syringe Sizes Explained

You'll see three common options: