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MK-677 vs Ipamorelin side-by-side
Zestaw do czterech peptydów według statusu dowodów, mechanizmów, dawkowania z badań, skutków ubocznych i referencji.
Porownywarka
Zestaw do czterech peptydów według statusu dowodów, mechanizmów, dawkowania z badań, skutków ubocznych i referencji.
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| Wlasciwosc | MK-677 | Ipamorelin |
|---|---|---|
| Kategoria | Hormon wzrostu | Hormon wzrostu |
| Znany tez jako | Ibutamoren, Nutrobal, L-163,191 | IPAM, NNC 26-0161 |
| Zatwierdzony przez FDA | Nie | Nie |
| Status kliniczny | Investigational; Phase II trials reported halted for safety concerns, with source-noted FDA enforcement activity in 2025-2026.
| Investigational; Phase II trials discontinued. Listed as FDA Category 2 pending possible reclassification, with formal status not changed in the source.
|
| Czego oczekiwac | Muscle building, sleep improvement, appetite increase | Anti-aging, muscle building, sleep quality, recovery |
| Jak dziala | MK-677 is described as a selective GHS-R1a agonist. By engaging this ghrelin-associated receptor in growth-hormone regulatory pathways, it can increase growth-hormone signaling and raise IGF-1. The source also links its ghrelin-like activity to appetite effects and notes possible cortisol changes. | Ipamorelin is reported to activate GHS-R1a, the ghrelin or growth hormone secretagogue receptor, on somatotroph cells in the anterior pituitary. The source links this receptor activity to Gq/phospholipase C signaling, IP3 generation, intracellular calcium release, and pulsatile release of stored growth hormone. It also describes ipamorelin as relatively selective in early characterization, with GH-releasing doses not meaningfully increasing ACTH, cortisol, prolactin, FSH, LH, or TSH. Because the mechanism relies on pituitary GH stores, the source indicates that pituitary function and normal feedback biology remain relevant to the response. |
| Typowe dawkowanie | 10-25 mg daily · Once daily, often before bed · Oral | 200-300 mcg 2-3x daily · 2-3x daily |
| Dawkowanie z badań | 10-25 mg daily · 8-12 weeks or longer · Oral | 100-300 mcg per injection · 8-12 weeks typical · Subcutaneous injection |
| Typowy czas trwania | 8-12 weeks or longer | 8-12 weeks typical |
| Podanie | Oral | Subcutaneous injection |
| Timing | Before bed With or without food | Before bed or morning, fasted Fasted timing reported |
| Poziom dowodów | Badania kliniczne | Badania kliniczne |
| Mozliwe skutki uboczne |
+8 więcej
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+6 więcej
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| Podsumowanie researchu | The source describes a mixed human-research picture. In older healthy adults, a one-year randomized study using 25 mg daily was reported to raise IGF-1 and increase fat-free mass, while strength or functional outcomes were not characterized as strong and early weight change was partly attributed to water. In an Alzheimer's disease trial with 563 participants over 12 months, IGF-1 increased but cognitive decline was not slowed. The source consistently flags appetite increase, fluid retention, and reduced insulin sensitivity as recurring tolerability concerns, and notes that the compound remains unapproved. | The source identifies Raun et al. 1998 as early foundational work and describes characterization across rats, pigs, and isolated pituitary cells. It reports that ipamorelin released GH without corresponding ACTH or cortisol increases at doses above the GH-release threshold. The source also notes that human development reached Phase II for postoperative ileus before being discontinued for insufficient efficacy. For popular wellness uses such as anti-aging, fat loss, muscle gain, or recovery, the source states that large peer-reviewed human randomized trials are not available and that these claims are extrapolated from mechanism rather than established outcomes. |
| Referencje | ||
| Pełny profil | Zobacz szczegóły | Zobacz szczegóły |
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Trackuj ścieżkę peptydówaWyłącznie edukacyjnie. Te informacje są agregowane z publicznych badań i raportów społeczności. To nie jest poradą medyczną, a informacje o dawkowaniu są opisowe, nie rekomendacyjne. Zawsze konsultuj się z wykwalifikowanym specjalistą ochrony zdrowia.