Muscle Stack Family

Tesamorelin / sermorelin / hexarelin / Mod GRF variants; IGF-1 LR3 + follistatin at the advanced end — Muscle growth via the GH/IGF-1 axis — Froese's muscle-stacks video.

⚠ Safety first — read this before anything else on this page

Approval status: This family works the growth-hormone/IGF-1 axis. One member, tesamorelin, is an FDA-approved drug with a real label — the rest are unapproved, and none of these combinations has been tested in humans. Full page: Secretagogues and Blood Sugar, in Dangers.

What has actually happened to people:

Tesamorelin's approved label warns of glucose intolerance and diabetes risk — the class's blood-sugar effect is on an approved drug's label, which makes it a documented class concern for every unapproved member (Egrifta label).
Sermorelin was among the falsified products in the 2018 Belgian lab study (Janvier et al., Talanta) — in a set where two-thirds of products were below 95% purity.
The stack's own teacher tiers the risk for you: Dr. Froese states that IGF-1 LR3 and follistatin have very little human data and are riskier research chemicals (creator-attributed).

What nobody knows: Long-term GH/IGF-1 elevation in healthy young users is unstudied for every member of this family. The acromegaly pattern — what years of hormone excess does to a body — is the standing theoretical concern, and no one has measured these compounds against it.

Get medical care now if:

Unusual blood-sugar swings — shakiness, sweating, confusion, extreme thirst; seek care and say what you are taking.
New joint pain, swelling of hands or feet, or numbness/tingling in the hands that persists — tell a clinician about GH-axis use.
An injection site that worsens over days, or a lump appearing one to several weeks later — the delayed infection pattern; it needs a clinician.

Who should stay away: Anyone with diabetes, prediabetes, or on glucose medication. Anyone with a cancer history — the clinician community's own stated red line for GH-axis compounds (Dr. Froese). Minors, anyone pregnant, tested athletes.

The product problem: The advanced end of this family (IGF-1 LR3, follistatin) moves entirely through the research-chemical channel, where independent testing finds roughly one in three samples failing basic expectations across compounds (Finnrick Analytics, February 2026).

Talk to a doctor who knows you are taking it. See our doctors directory. If you were harmed, report it to FDA MedWatch — your report is how the record gets built.

We don't publish doses, protocols, or sources — for any compound, ever. Our Legal Mandate.

Components: Tesamorelin / sermorelin / hexarelin / Mod GRF variants; IGF-1 LR3 + follistatin at the advanced end

What creators claim: Muscle growth via the GH/IGF-1 axis — Froese’s muscle-stacks video.

Evidence note: Froese herself tiers these by human data: tesamorelin and sermorelin have some; IGF-1 LR3 and follistatin, in her words, have very little and are riskier research chemicals.

Stub page — full treatment after the transcript bank is mined for this stack. No stack on this site carries instructions of any kind.

Educational information only — not medical or legal advice. Status as of November 7, 2026. See Our Legal Mandate.

Muscle Stack Family

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