Mixing 6 mg B7-33
Adding 2 mL of bacteriostatic water to a 6 mg vial of B7-33 gives 3 mg/mL: each 10 units on a U-100 insulin syringe holds 300 mcg. With 1 mL it's 6 mg/mL (600 mcg per 10 units); with 3 mL, 2 mg/mL (200 mcg per 10 units). More water makes small amounts easier to measure.
Bacteriostatic water chart for a 6 mg vial
Strength for each amount of water, and how much B7-33 10 units and 1 unit hold on a U-100 insulin syringe (100 units = 1 mL).
| Water added | Strength | Per 10 units (0.1 mL) | Per unit |
|---|---|---|---|
| 0.5 mL | 12 mg/mL | 1,200 mcg | 120 mcg |
| 1 mL | 6 mg/mL | 600 mcg | 60 mcg |
| 1.5 mL | 4 mg/mL | 400 mcg | 40 mcg |
| 2 mL | 3 mg/mL | 300 mcg | 30 mcg |
| 2.5 mL | 2.4 mg/mL | 240 mcg | 24 mcg |
| 3 mL | 2 mg/mL | 200 mcg | 20 mcg |
| 4 mL | 1.5 mg/mL | 150 mcg | 15 mcg |
| 5 mL | 1.2 mg/mL | 120 mcg | 12 mcg |
Units to draw for an amount (with 2 mL of water)
Arithmetic only, not a recommended amount. Use the calculator for other amounts or water volumes.
| Amount | Units | Volume |
|---|---|---|
| 50 mcg (0.05 mg) | 1.7 units | 0.017 mL |
| 100 mcg (0.1 mg) | 3.3 units | 0.033 mL |
| 250 mcg (0.25 mg) | 8.3 units | 0.083 mL |
| 500 mcg (0.5 mg) | 16.7 units | 0.167 mL |
| 1,000 mcg (1 mg) | 33.3 units | 0.333 mL |
| 2,000 mcg (2 mg) | 66.7 units | 0.667 mL |
| 2,500 mcg (2.5 mg) | 83.3 units | 0.833 mL |
Cheapest 6 mg B7-33 vials
One listing per vendor, vendors scoring 80%+ on Finnrick's independent lab testing, cheapest per mg first.
| Vendor | Listing | Price | Per mg | |
|---|---|---|---|---|
| Qingdao Sigma Chemical QSC Finnrick 64% | B7-33 6mg | 20-Vial Kit | RXFP1 Relaxin Analogue 20 × 6 mg = 120 mg | $610.00 | $5.08 | Buy |
| Core Peptides Finnrick 76% | B7-33 – 6MG 1 × 6 mg | $60.00 | $10.00 | Buy |
Questions people ask
How much bacteriostatic water do I add to 6 mg of B7-33?
Adding 2 mL of bacteriostatic water to a 6 mg vial of B7-33 gives 3 mg/mL: each 10 units on a U-100 insulin syringe holds 300 mcg. With 1 mL it's 6 mg/mL (600 mcg per 10 units); with 3 mL, 2 mg/mL (200 mcg per 10 units). More water makes small amounts easier to measure.
How many units is 100 mcg of B7-33 from a 6 mg vial?
With 2 mL of water (3 mg/mL), 100 mcg is 3.3 units on a U-100 syringe; with 1 mL it's 1.7 units.
Where can I buy 6 mg B7-33 vials?
2 independently tested vendors list 6 mg B7-33 vials; the cheapest right now is Qingdao Sigma Chemical QSC at $5.08 per mg ($610.00 for 20 × 6 mg = 120 mg).