Penguin Peptides DSIP price: $8.00/mg
Penguin Peptides lists DSIP at $40 for 5 mg, which is $8.00/mg; that's #7 cheapest of 10 vendors we track after codes (median $6.40/mg), checked Oct 21, 2026.
Our verdict on Penguin Peptides
Real store, testing gaps
74/100B
#3 of 11 ranked vendors
- Publishes COAs; lot matching unconfirmed
- Named lab: Northline Analytical (Denver, CO)
- 56% of 9 independent tests passed
Last verified How we scoreFull review
Penguin Peptides DSIP sizes
DSIP at every vendor, after codes
| Vendor | Cheapest vial | Per mg | After code | Score |
|---|---|---|---|---|
| 99 Purity Peptides | 10 mg · $49.99 | $5.00 | $4.25 | 60 |
| True Peptides | 10 mg · $55 | $5.50 | $5.50 | 75 |
| DRYPtides | 10 mg · $59 | $5.90 | $5.90 | 65 |
| Atomik Labz | 5 mg · $35 | $7.00 | $5.95 | 50 |
| Ascension Peptides | 10 mg · $60 | $6.00 | $6.00 | 70 |
| Core Research Peptides | 5 mg · $34 | $6.80 | $6.80 | 60 |
| Penguin Peptides | 5 mg · $40 | $8.00 | $8.00 | 74 |
| Core Peptides | 5 mg · $41 | $8.20 | $8.20 | 83 |
| Biotech Peptides | 5 mg · $44 | $8.80 | $8.80 | 70 |
| Swiss Chems | 2 mg · $24.95 | $12.47 | $11.23 | 70 |
Codes applied only where verified, same math for every vendor. All DSIP sizes.
DRYPtides lists DSIP at $5.90/mg and scores 65/100. It's the vendor we plan to partner with.
A nonapeptide first isolated in 1977. Penguin Peptides review · Penguin Peptides coupon code
Questions
How much is DSIP at Penguin Peptides?
Penguin Peptides lists DSIP at $40 for 5 mg, which is $8.00/mg; that's #7 cheapest of 10 vendors we track after codes (median $6.40/mg), checked Oct 21, 2026.
Is Penguin Peptides DSIP cheaper than other vendors?
After codes, Penguin Peptides is #7 of 10. The cheapest is 99 Purity Peptides at $4.25/mg.
Is there a Penguin Peptides code for DSIP?
We hold no verified percentage code for Penguin Peptides.
Does Penguin Peptides publish a COA for DSIP?
Penguin Peptides's COA practice: 25/40 on our COA transparency line. Check the COA library link on its review page and ask for the COA matching your lot.