The 10 Most Popular Peptides in Canada (2026)

Some research peptides get requested far more than others. Here are the ten Canadian
researchers ask for most in 2026 — what each is studied for, with links to the deep-dive guide and the
product page for each.

1. BPC-157 — Body Protection Compound

The “King of Recovery” and the most-searched peptide in Canada — studied for soft-tissue repair and gut health.

Studied for: rapid injury rehabilitation and gut health.
View BPC-157 →  ·  Read the BPC-157 guide →

2. TB-500 — Thymosin Beta-4

Often stacked with BPC-157; studied for cell migration and the formation of new blood vessels.

Studied for: systemic wound healing.
View TB-500 →  ·  Read the BPC-157 + TB-500 stack →

3. GHK-Cu — Copper Peptide

A favourite in skin and longevity research — studied for collagen and skin firmness. Featured in GLOW and KLOW.

Studied for: anti-aging, skin and hair.
View GHK-Cu →  ·  Read the GHK-Cu guide →

4. CJC-1295 — GH Secretagogue

Studied for sustained growth-hormone release by stimulating the body’s own pituitary pulses.

Studied for: protein synthesis, fat loss, bone density.
View CJC-1295 →  ·  Read the muscle-growth guide →

5. Retatrutide — Triple GLP-1 / GIP / Glucagon Agonist

A next-generation metabolic peptide activating three receptors at once — the biggest numbers in metabolic research.

Studied for: advanced metabolic signalling.
View Retatrutide →  ·  Read the retatrutide guide →

6. Tirzepatide — Dual GLP-1 & GIP Agonist

Targets two receptors for a synergistic effect on glucose metabolism and appetite signalling.

Studied for: metabolic signalling, insulin sensitivity.
View Tirzepatide →  ·  Retatrutide vs Tirzepatide →

7. NAD+ — Nicotinamide Adenine Dinucleotide

A coenzyme often grouped with peptides; foundational for mitochondrial energy and DNA repair.

Studied for: cellular energy and longevity.
View NAD+ →

8. MOTS-c — Mitochondrial-Derived Peptide

The “exercise mimetic” — studied for exercise capacity and metabolic regulation.

Studied for: endurance and energy metabolism.
View MOTS-c →

9. Tesamorelin — GHRH Analogue

Studied for visceral-fat reduction and potent growth-hormone stimulation.

Studied for: targeted fat loss.
View Tesamorelin →

10. Semax — Neuroprotective & Nootropic

Crosses the blood-brain barrier; studied for BDNF/NGF and cognitive support.

Studied for: neuroprotection and cognition.
View Semax →