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Tesamorelin + Ipamorelin vial

Tesamorelin + Ipamorelin

Tesamorelin + Ipamorelin is a research-compound blend of a GHRH analog (13 mg) and a selective GH secretagogue (3 mg) in a 16 mg vial; research protocols typically dose it nightly by subcutaneous injection in insulin units, in 12-week-on / 4-week-off cycles.

Best for

Growth-hormone-axis research — visceral-fat and body-composition questions in particular — where a GHRH analog is combined with a ghrelin-receptor agonist to amplify the overnight GH pulse.

How it works

Tesamorelin is a stabilized synthetic analog of growth-hormone-releasing hormone (GHRH) that stimulates pituitary GH release through the GHRH receptor; it is FDA-approved (Egrifta) for HIV-associated lipodystrophy, where trials showed reductions in visceral adipose tissue. Ipamorelin is a pentapeptide ghrelin-receptor (GHS-R1a) agonist that triggers a GH pulse with comparatively little effect on cortisol or prolactin. The two act on complementary receptors, and the pairing is used on the rationale that a GHRH analog plus a secretagogue produces a larger, more physiological GH pulse than either alone.

Ipamorelin is not FDA-approved; tesamorelin is approved only for its lipodystrophy indication, and non-approved uses are research-only.

Research protocol

Subcutaneous injection nightly at bedtime, fasted, dosed in units from a 16 mg vial reconstituted with 2 mL of bacteriostatic water. 12 weeks on, 4 weeks off is a common pattern for growth-hormone secretagogue blends.

What to expect

Tesamorelin trials measured visceral-fat change over 26 weeks; ipamorelin's GH pulse is acute. Body-composition changes are typically described over 12+ weeks.

Pairs with

Often run as a standalone GH-axis stack; some protocols add CJC-1295 (no DAC) or combine with metabolic peptides such as MOTS-c.

References
  1. DailyMed - EGRIFTA SV (tesamorelin) FDA labelFDA label · 2025
  2. Ipamorelin, the first selective growth hormone secretagoguePubMed · 1998
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This page is educational reference material about compounds studied in research settings. It is not medical advice, and nothing here is a recommendation to buy, possess, or use any compound. Research findings described are from published literature; individual compounds may not be approved for human use. Talk to a licensed clinician about anything that affects your health.