Glutathione vs PNC-27
Which should you choose? Here's what you need to know.
The short answer
Glutathione and PNC-27 are both immune / inflammation peptides, but they work differently. A tripeptide antioxidant naturally produced in cells. The body's master antioxidant, studied for immune support, detoxification, and skin brightening. Compare vendor pricing and availability below.
On 10 Oct 2026 Peptide Compare tracked 48 vendors selling Glutathione, cheapest in stock $0.019 per mg at Bio Pepz, and 14 selling PNC-27, cheapest $7.00 per mg at AMC Essentials.
Glutathione
Immune / InflammationA tripeptide antioxidant naturally produced in cells. The body's master antioxidant, studied for immune support, detoxification, and skin brightening.
PNC-27
Immune / InflammationPrice & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 10, 2026.
Glutathione
PNC-27
$19.00
Starting from
$34.99
$0.63
Avg. price per mg
$17.76
48
Vendors selling it
14
49 options
In stock now
10 options
9.1/10
Top trust score
7.6/10
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Our top-rated vendor for each, based on trust scores, purity testing, and price.
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.