Best Bacteriostatic Water Sources
42 US vendors carry Bacteriostatic Water. Ordered below by the lab-rule score of each vendor’s certificate for Bacteriostatic Water, then by the vendor’s published score; prices are per millilitre. Sterile water containing 0.9% benzyl alcohol as a preservative, used to reconstitute lyophilized research peptides. Sold by nearly every vendor and, unlike peptides, usually compared per millilitre rather than per milligram.
- Vendors
- 42
Vendors
- With COAs
- 14
With COAs
- Best $/mL
- $0.50
Best $/mL
Looking for the top picks? Best Bacteriostatic Water vendors, ranked by PSR score →
Every Bacteriostatic Water source, by certificate
Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. How the lab rule scores a certificate. For the market-wide picture, see our 2026 study of peptide vendor testing.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Vendor score 8.17/10Strong
- Price per mL
- $2.00
- Best price
- $19.99 / 10 mL
Vendor score 8.08/10Strong
- Price per mL
- $1.00
- Best price
- $29.99 / 30 mL
Vendor score 7.48/10Strong
- Price per mL
- —
- Best price
- —
Vendor score 6.86/10Fair
- Price per mL
- $1.50
- Best price
- $14.99 / 10 mL
Vendor score 7.94/10Strong
- Price per mL
- $2.50
- Best price
- $25.00 / 10 mL
Vendor score 7.71/10Strong
- Price per mL
- $1.90
- Best price
- $19.00 / 10 mL
Vendor score 6.71/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 7.50/10Strong
- Price per mL
- $0.83
- Best price
- $24.99 / 30 mL
Vendor score 7.12/10Strong
- Price per mL
- $1.50
- Best price
- $15.00 / 10 mL
Vendor score 6.27/10Fair
- Price per mL
- $2.50
- Best price
- $25.00 / 10 mL
Show 32 more carriers
Vendor score 4.54/10Weak
- Price per mL
- $1.50
- Best price
- $15.00 / 10 mL
Vendor score 7.70/10Strong
- Price per mL
- —
- Best price
- —
Vendor score 6.03/10Fair
- Price per mL
- $1.00
- Best price
- $9.99 / 10 mL
Vendor score 5.78/10Fair
- Price per mL
- $1.00
- Best price
- $29.99 / 30 mL
Vendor score 4.80/10Weak
- Price per mL
- $0.97
- Best price
- $29.00 / 30 mL
Vendor score 3.63/10Poor
- Price per mL
- $0.93
- Best price
- $27.99 / 30 mL
Vendor score 7.43/10Strong
- Price per mL
- $1.50
- Best price
- $15.00 / 10 mL
Vendor score 7.29/10Strong
- Price per mL
- $1.00
- Best price
- $10.00 / 10 mL
Vendor score 7.15/10Strong
- Price per mL
- —
- Best price
- —
Vendor score 7.10/10Strong
- Price per mL
- $0.60
- Best price
- $17.99 / 30 mL
Vendor score 6.89/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 6.55/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 6.32/10Fair
- Price per mL
- $0.99
- Best price
- $9.90 / 10 mL
Vendor score 6.26/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 6.14/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 6.14/10Fair
- Price per mL
- $1.50
- Best price
- $15.00 / 10 mL
Vendor score 6.08/10Fair
- Price per mL
- $0.53
- Best price
- $16.00 / 30 mL
Vendor score 5.85/10Fair
- Price per mL
- —
- Best price
- —
Vendor score 5.62/10Fair
- Price per mL
- $2.00
- Best price
- $20.00 / 10 mL
Vendor score 5.62/10Fair
- Price per mL
- Gated
- Best price
- —
Vendor score 5.61/10Fair
- Price per mL
- $1.29
- Best price
- $12.95 / 10 mL
Vendor score 5.39/10Weak
- Price per mL
- $0.50
- Best price
- $14.91 / 30 mL
Vendor score 4.52/10Weak
- Price per mL
- $2.00
- Best price
- $20.00 / 10 mL
Vendor score 4.36/10Weak
- Price per mL
- —
- Best price
- —
Vendor score 3.74/10Poor
- Price per mL
- $0.80
- Best price
- $8.00 / 10 mL
Vendor score 3.56/10Poor
- Price per mL
- $0.83
- Best price
- $24.99 / 30 mL
Vendor score 3.26/10Poor
- Price per mL
- $0.90
- Best price
- $9.00 / 10 mL
Vendor score 3.06/10Poor
- Price per mL
- —
- Best price
- —
Vendor score 2.75/10Poor
- Price per mL
- $1.19
- Best price
- $11.93 / 10 mL
Vendor score 2.49/10Poor
- Price per mL
- —
- Best price
- —
Vendor score 2.46/10Poor
- Price per mL
- $1.40
- Best price
- $140.00 / 10 x 10 mL pack
Vendor score 2.13/10Poor
- Price per mL
- —
- Best price
- —
“Shop” links may be affiliate links (rel="sponsored"); we may earn a commission. Affiliate status never affects any rating, rank, or gate. Disclosure.
Affiliate partners carrying Bacteriostatic Water
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Top partner pick
The highest-placed affiliate partner in the table above for Bacteriostatic Water (certificate 9.5/10, vendor score 8.17/10), and also the partner with the largest reader code on it (code PSR20).
Zeptix Labs discount code →Bacteriostatic Water: Frequently Asked Questions
Who has the best Bacteriostatic Water?
In our 2026 audit, Zeptix Labs is listed first for Bacteriostatic Water: its certificate for Bacteriostatic Water scores 9.5/10 on our lab rule, and its published vendor score is 8.17/10. The full ordered table is on this page.
What is the cheapest Bacteriostatic Water per mL?
The lowest recorded price per millilitre for Bacteriostatic Water in our audit is the "Best $/mL" figure at the top of this page, and every carrier's price per mL is in the table. Cheapest is not the same as best: the table is ordered by certificate and vendor score, not by price.
How do you rate Bacteriostatic Water vendors?
Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. The certificate score is the same lab rule that builds each vendor's lab sub-score, applied to that vendor's certificate for Bacteriostatic Water; the vendor score is the published overall score. Price per mL is shown but does not change the order. See our methodology for the lab rule.