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Compare peptides.

See why people discuss them, what the evidence supports, and where amount information comes from.

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Add up to four if you need to. Evidence labels apply to specific claims and products.

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Metabolic & appetite

Tirzepatide

Tirzepatide acts on GIP and GLP-1 receptors. It has been studied in human medicine products for blood sugar and metabolic effects.

Why people are interested

Tirzepatide is well known because prescription versions are used for type 2 diabetes, chronic weight management, and certain sleep-apnea patients. JD-2TR is a seller code associated with tirzepatide in listed batch reports.

What the research supports

The strongest evidence belongs to manufactured prescription tirzepatide products studied in clinical trials. FDA approval applies to those products and specific indications, not automatically to a research-only JD-2TR vial.

Clinical or label amounts

Prescription product label

2.5–15 mg

Once weekly in adults

Specific to the named study or medicine, not this research vial.

Mounjaro prescribing information (2026) ↗

Publicly reported amounts

Amount in one post: 2.5 mg each time from a stated 10 mg dry vial

One checked post, not a typical amount or a recommendation.

Public reports and source limits →
Read the full Tirzepatide profile and sources →
Tissue & skin

BPC-157

BPC-157 is a lab-made research peptide. Claims about injury and gut benefits rest mostly on animal studies.

Why people are interested

People often hear about BPC-157 when looking into a stubborn injury or gut problem. Online, it is talked about as a way to help the body repair itself. That interest comes mainly from animal studies; the small human reports so far have not shown that it heals injuries in people.

What the research supports

Rat studies found changes related to tendon and stomach healing. Two small reports in people looked at knee pain and bladder symptoms, but neither showed that BPC-157 heals injuries in people or established how much to use.

Clinical or label amounts

Evidence gap

No amount established for this research vial

BPC-157 evidence review ↗

Publicly reported amounts

Amount: 500–1,000 mcg per administration — interquartile range (middle 50% of usable numeric responses)

Survey summaries; amounts and schedules are not matched person by person.

Public reports and source limits →
Read the full BPC-157 profile and sources →

FDA-approved uses belong to named prescription products and indications; they do not transfer to an online research vial. Human, animal, cell, and anecdotal evidence are different. How we check sources →