MK-677 (Ibutamoren) 12.5 mg
- Active Substance: Ibutamoren (MK-677)
- Concentration: 12.5 mg per capsule
- Pack Size: 60 capsules
- Manufacturer: Peptide Sciences USA
- Brand Name: Ibutamoren
- Molecular Formula: C27H36N4O5S
- Molecular Weight: 528.7 g/mol
- Synonyms: MK-0677, Oratrope, L-163,191
MK-677 Ibutamoren 12.5 mg – Wave of Growth Hormone Vitality
Boost Your Muscle Growth Studies
Imagine a lab where muscles grow stronger, recovery accelerates, and aging slows. MK-677 Ibutamoren 12.5 mg from Peptide Sciences USA makes this real. This oral ghrelin receptor agonist boosts growth hormone (GH) and IGF-1, driving muscle growth and bone density. It's your wave for leading breakthroughs in recovery and anti-aging, crafted for trailblazing researchers like you.
The Science Behind Growth Hormone Vitality
MK-677 (Ibutamoren, C27H36N4O5S) is a non-peptide, orally active ghrelin receptor agonist that mimics the hormone ghrelin, stimulating GH and IGF-1 secretion without significantly affecting cortisol, per Chapman et al. In a phase 1 trial, 25 mg daily increased GH secretion by 97% and IGF-1 by 39% in healthy adults. It preserves pulsatile GH release, enhancing lean body mass by ~3 kg in obese men over 2 months.
MK-677 also improves bone density (10% increase in bone-specific alkaline phosphatase) and REM sleep (20–50% increase). It's under investigation for growth hormone deficiency, muscle wasting, and frailty, with potential in Alzheimer's prevention via amyloid beta clearance. The 12.5 mg capsule dosage supports precise research into muscle growth, recovery, bone health, and anti-aging, with applications in sarcopenia, osteoporosis, and metabolic disorders.
Why MK-677 Ibutamoren 12.5 mg Fuels Your Studies
MK-677 isn't just a compound—it's a wave that transforms muscle and recovery research. Here's what makes it shine:
- Muscle Growth Boost: Increases lean body mass by ~3 kg in 2 months, per studies.
- Faster Recovery: Enhances tissue repair and reduces post-workout fatigue.
- Bone Density Support: Raises bone deposition markers by 10–30%, aiding osteoporosis research.
- Anti-Aging Ally: Improves skin elasticity and REM sleep (20–50% increase).
- Top Quality: Crafted by Peptide Sciences USA with 99% purity for reliable results.
With MK-677 12.5 mg, you're not just studying—you're leading a breakthrough in muscle growth and vitality.
Product Specifications
Peptide Sciences USA's MK-677 Ibutamoren 12.5 mg is your key to cutting-edge recovery studies. Here's the breakdown:
- Composition: Each capsule contains 12.5 mg Ibutamoren (C27H36N4O5S, 528.7 g/mol).
- Pack Size: 60 capsules for oral administration.
- Manufacturing: Produced by Peptide Sciences USA with 99% purity, verified by HPLC and Mass Spectrometry.
- Usage Guidelines: Administer 1 capsule (12.5 mg) daily, ideally at bedtime, for 8–12 weeks in research protocols. Start with 10 mg to assess tolerance. Use under professional supervision.
- Storage: Store capsules at room temperature (15–25°C) in a dry, dark place for up to 2 years.
- Safety: Studies report mild side effects like increased appetite and water retention; rare cases note elevated blood glucose or heart failure risk. Limited long-term human data requires oversight.
This compound is for research purposes only, driving discoveries in muscle growth and anti-aging.
Legal Disclaimer
MK-677 Ibutamoren 12.5 mg is supplied for research purposes only and is not FDA-approved for therapeutic use, per regulations as of July 4, 2025. It is banned by the World Anti-Doping Agency (WADA) and DoD for performance-enhancing use. It is not intended to diagnose, treat, cure, or prevent any condition. Consult a licensed professional before use. Peptide Sciences USA assumes no liability for misuse. All information is educational and based on preclinical and clinical research.
Frequently Asked Questions
What does Ibutamoren do for you?
Ibutamoren boosts GH and IGF-1, increasing muscle mass (~3 kg in 2 months), bone density, and sleep quality for recovery and anti-aging studies.
Does Ibutamoren affect testosterone?
No, Ibutamoren does not significantly affect testosterone levels, as it targets ghrelin receptors without impacting androgen production, per studies.
Does Ibutamoren cause heart failure?
Rare cases in elderly patients suggest a potential heart failure risk (6.5% vs. 1.7% in placebo), but data is limited and requires further study.
Is MK-677 a SARM?
No, MK-677 is not a SARM; it's a non-peptide ghrelin receptor agonist that boosts GH and IGF-1 without affecting androgen receptors.
Is MK-677 a steroid?
No, MK-677 is not a steroid; it's an oral growth hormone secretagogue that stimulates GH and IGF-1 without anabolic steroid properties.
Related Products
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- Sequence: H-D-Leu-D-Thr-D-Leu-D-Arg-D-Lys-D-Glu-D-Pro-D-Ala-D-Ser-D-Glu-D-Ile-D-Ala-D-Gln-D-Ser-D-Ile-D-Leu-D-Glu-D-Ala-D-Tyr-D-Ser-D-Gln-D-Asn-D-Gly-D-Trp-D-Ala-D-Asn-D-Arg-D-Arg-D-Ser-D-Gly-D-Gly-D-Lys-D-Arg-D-Pro-D-Pro-D-Pro-D-Arg-D-Arg-D-Arg-D-Gln-D-Arg-D-Arg-D-Lys-D-Lys-D-Arg-D-Gly-OH
- Synonyms: Forkhead box protein O4 D-Retro-Inverso, FOXO4a, AFX, AFX1, MLLT7
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- Sequence (HGH Fragment 176-191): Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe
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- Sequence (Modified GRF): H-Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg-NH2
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- Sequence (Ipamorelin): Aib-His-D-2-Nal-D-Phe-Lys-NH2
- Synonyms: HGH Fragment 176-191 (AOD9604), Modified GRF (CJC-1295 No DAC), Ipamorelin (GHRP, Ghrelin mimetic)
- Active Substance: HGH Fragment 176-191 (6 mg), CJC1295 No DAC (3 mg), Ipamorelin (3 mg)
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- Pack Size: Single vial (lyophilized powder)
- Manufacturer: Peptide Sciences USA
- Brand Name: Peptide Blend
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- Molecular Weight (HGH Fragment 176-191): 1817.12 g/mol
- Sequence (HGH Fragment 176-191): Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe
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- Sequence (CJC1295 No DAC): H-Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg-NH2
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- Molecular Weight (Ipamorelin): 711.85 g/mol
- Sequence (Ipamorelin): Aib-His-D-2-Nal-D-Phe-Lys-NH2
- Synonyms: HGH Fragment 176-191 (AOD9604), CJC1295 No DAC (Mod GRF), Ipamorelin (GHRP, Ghrelin mimetic)