Supplement stacks / Metformin + MK-677 (Ibutamoren)

Can You Take Metformin with MK-677 (Ibutamoren)?

Metformin is a commonly prescribed medication for managing blood sugar levels in type 2 diabetes, while MK-677 (Ibutamoren) is a growth hormone secretagogue often used for muscle growth and fat loss. There are no direct interactions reported between metformin and MK-677, but caution is advised due to potential effects on glucose metabolism and the need for monitoring blood sugar levels.

Safety at a glance
Medium risk
Safety score7/10

Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.

Metformin

Generally safe when prescribed; monitor for side effects, especially gastrointestinal issues and vitamin B12 deficiency.

Typical dosage: 500-2000 mg daily, as prescribed by a healthcare provider.

Common side effects:
  • Nausea
  • Diarrhea
  • Abdominal discomfort
  • Vitamin B12 deficiency (long-term use)
Warnings:
  • Contraindicated in patients with severe kidney or liver disease; monitor renal function regularly.
MK-677 (Ibutamoren)

Generally considered safe for short-term use; long-term effects are not well-studied.

Typical dosage: 10-25 mg daily.

Common side effects:
  • Increased appetite
  • Fatigue
  • Edema
  • Potential insulin resistance
Warnings:
  • Monitor blood sugar levels, especially if diabetic; may affect glucose metabolism.
Timing

Take metformin with meals to reduce gastrointestinal side effects; MK-677 can be taken at any time but may be best taken in the evening for optimal growth hormone release.

Watch out for
  • Monitor blood sugar levels regularly while taking MK-677, as it may influence glucose metabolism.
Frequently asked questions

Can you take Metformin and MK-677 (Ibutamoren) together?

Metformin is a commonly prescribed medication for managing blood sugar levels in type 2 diabetes, while MK-677 (Ibutamoren) is a growth hormone secretagogue often used for muscle growth and fat loss. There are no direct interactions reported between metformin and MK-677, but caution is advised due to potential effects on glucose metabolism and the need for monitoring blood sugar levels.

How safe is the Metformin and MK-677 (Ibutamoren) combination?

Our analysis of publicly available medical sources scores this combination 7/10 (medium risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.

When should you take Metformin and MK-677 (Ibutamoren)?

Take metformin with meals to reduce gastrointestinal side effects; MK-677 can be taken at any time but may be best taken in the evening for optimal growth hormone release.

What should you watch out for when combining Metformin and MK-677 (Ibutamoren)?

Monitor blood sugar levels regularly while taking MK-677, as it may influence glucose metabolism.

Check your full stack

Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.

Analyze my stack
Personalize it with your DNA

Genetics change how you process supplements like these. Upload raw 23andMe or Ancestry data for a personalized supplement report.

See the DNA report

Analysis generated August 11, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works