Glutathione vs LL-37
Which should you choose? Here's what you need to know.
The short answer
Glutathione and LL-37 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. The only human cathelicidin antimicrobial peptide. Plays a key role in innate immune defense against bacterial, viral, and fungal infections. Compare vendor pricing and availability below.
Glutathione
Immune / InflammationA tripeptide antioxidant naturally produced in cells. The body's master antioxidant, studied for immune support, detoxification, and skin brightening.
LL-37
Immune / InflammationThe only human cathelicidin antimicrobial peptide. Plays a key role in innate immune defense against bacterial, viral, and fungal infections.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options.
Glutathione
LL-37
$19.00
Starting from
$38.00
$0.61
Avg. price per mg
$12.58
54
Vendors selling it
38
51 options
In stock now
38 options
9.1/10
Top trust score
9.0/10
0
Purity tests on file
0
Ready to buy?
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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Best Glutathione Vendor
8.7/10
$75.00(1500mg)
Best LL-37 Vendor
7.0/10
$54.00(10mg)
Where does this data come from?
We check vendor prices every day and pull in real purity test results from independent labs — not vendor claims. No vendor can pay to rank higher. See our full methodology.