Sermorelin shots vs HGH supplements

Sermorelin shots and HGH supplements are sold on the same hope, more of your own growth hormone, but they are different products. Sermorelin is a prescription peptide, a copy of the active part of growth hormone-releasing hormone, given as a small injection after a physician reviews your health. HGH supplements are over-the-counter products with no growth hormone in them, and FDA does not approve them before they are sold (FDA).

Sermorelin leads on the criteria that decide this choice. It has an FDA approval history as Geref, human trials that measured growth hormone over weeks of dosing, a pharmacy-prepared product and a clinician involved from the start. Compounded sermorelin is not FDA approved today.

HGH supplements win on convenience. They need no prescription and no needle, and you can buy them today.

An HGH booster and a sermorelin shot both aim at the pituitary, the gland that makes and releases growth hormone. Neither one is growth hormone itself.

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What is in an HGH supplement

An HGH supplement is a dietary supplement, not a drug. Many are built on amino acids such as arginine, lysine and ornithine, which can prompt growth hormone release when infused or taken in large oral doses, and they are sold as growth hormone releasers or boosters (Nutrition, 2002).

None of them can legally contain growth hormone. Prescription HGH, somatropin, is a recombinant protein given by injection under the skin, and its labeled adult uses are limited to specific diagnosed conditions, such as growth hormone deficiency (somatropin prescribing information). Federal law makes it a crime to distribute HGH for any use other than an FDA-authorized treatment ordered by a physician (21 U.S.C. 333(e)).

Natural HGH supplements also reach shelves without FDA approval. Under the Dietary Supplement Health and Education Act of 1994, FDA does not have the authority to approve supplements before they are marketed, and a label that claims to support a body function, such as growth hormone release, must say FDA has not evaluated the claim and that the product is not intended to diagnose, treat, cure or prevent any disease (FDA). MK-677, sold online as a research chemical, was never approved and is on FDA's list of compounding substances with significant safety risks (FDA), as covered in sermorelin vs MK-677 compared.

How sermorelin peptide therapy works

The sermorelin peptide is the first 29 amino acids of growth hormone-releasing hormone (GHRH), the signal the hypothalamus sends to the pituitary. A published review calls it the shortest synthetic peptide with the full biological activity of GHRH, and it acts on the anterior pituitary to release growth hormone (BioDrugs, 1999). The guide to what sermorelin therapy involves walks through the process.

Because the pituitary still makes the hormone, its own feedback stays in place. A 2006 sermorelin review in adults argued that this feedback keeps release episodic rather than constant, unlike injected growth hormone. That piece is an editorial, not a trial. Related peptides are covered in growth hormone peptides explained.

What the evidence shows

Sermorelin's approved treatment use was in children. A 1999 review found limited data that it helped some prepubertal children with idiopathic growth hormone deficiency grow faster, and it was never compared directly with somatropin at its recommended dose (BioDrugs, 1999).

Adult trials are small and decades old. In a 1992 National Institute on Aging study of 10 healthy older men, two weeks of twice-daily injections of GHRH 1-29 at the higher dose raised 24-hour growth hormone and IGF-1 to levels that no longer differed from young men (J Clin Endocrinol Metab, 1992). In a 1997 study of 11 men aged 64 to 76, six weeks of nightly injections raised overnight growth hormone release but not IGF-1, and body composition did not change (Metabolism, 1997).

For HGH supplements, a 2020 randomized crossover trial tested one amino acid blend in 16 healthy adults. One dose raised growth hormone 682% from baseline at 120 minutes, significantly more than placebo, in an investigator-led study funded by a commercial sponsor (Am J Ther, 2020). It tracked two hours, not weeks, and did not measure body composition. A 2002 review found no well-conducted study in which oral amino acids before strength training added muscle or strength beyond training alone.

Neither option is approved to treat aging. Sermorelin is best understood as clinician-guided support for your own growth hormone signaling, not a guaranteed result.

Prescription & FDA status

FDA approved sermorelin as Geref twice: in 1990 as a diagnostic test of pituitary function, and in 1997 to treat idiopathic growth hormone deficiency in children with growth failure. The maker discontinued both products in 2008, FDA withdrew the approvals in 2009 at its request, and in 2013 FDA determined they were not withdrawn for reasons of safety or effectiveness (Federal Register, 2013). Drugs@FDA lists both Geref products as discontinued and no other sermorelin product (Drugs@FDA).

The sermorelin prescribed today is compounded, prepared by a licensed pharmacy on a prescription. Compounded drugs are not FDA approved, so FDA does not verify their safety, effectiveness or quality before they are marketed (FDA).

Cost per month

Harbor lists its sermorelin program at $99 a month, flat as your dose changes, with the medication, clinician care and check-ins in one price.

HGH supplement prices are set by each seller and vary by product. The price buys the product only, with no prescriber and no follow-up.

Growth hormone supplements and a prescription peptide suit different people. Harbor sermorelin shots are for adults who want clinician-guided support for their own growth hormone signaling, with a board-certified physician reviewing their health history and goals first.

Sermorelin shots may suit you when:

• You want a physician to review your history first
• You prefer a pharmacy-prepared prescription to an unreviewed supplement
• You are comfortable with a small injection at home
• You want check-ins and a clinician to message

An over-the-counter booster may suit you when:

• You want to avoid needles and prescriptions entirely
• You accept evidence limited to short studies of hormone levels
• You do not need a clinician involved

With signs of a pituitary condition or a diagnosed growth hormone deficiency, neither is the answer. FDA-approved somatropin is the labeled treatment once the diagnosis is confirmed, usually with a growth hormone provocative test, and an endocrinologist is the usual specialist to see first.

HGH pills and a sermorelin injection sit on opposite sides of the prescription line. The pills contain no growth hormone, and their evidence stops at short-term hormone levels.

A sermorelin injection has an FDA approval history, human trials of repeated dosing and a physician review before the first vial ships. Compounded sermorelin is not FDA approved and the adult data are small, so what it offers is clinician-guided support, not a result. A licensed clinician reviews your history before anything is prescribed.