Melanotan II vs Methylene Blue
Well Studied vs Well Studied
monitor Mechanism-based · 51% Both Melanotan II and Methylene Blue can raise blood pressure. Monitor BP regularly and consider adding cardiovascular support (cardarine, telmisartan, or similar).
Molecular Data
Melanotan II Methylene Blue
Weight — 319.85 Da
Half-life ~2 hours ~5-6 hours
Type Synthetic alpha-MSH analog Phenothiazine dye (C16H18ClN3S)
Key Benefits
Melanotan II
01 Rapid tanning without UV exposure
02 Enhanced sexual function and libido
03 Appetite suppression
04 Improved mood via melanocortin activation
05 Photoprotection through increased melanin
Methylene Blue
01 Enhances mitochondrial respiration and ATP production by acting as an alternative electron carrier
02 Reduces mitochondrial reactive oxygen species generation
03 Supports memory consolidation and cognitive performance at low doses
04 Neuroprotective effects demonstrated in models of Alzheimer's, Parkinson's, and traumatic brain injury
05 Improves mitochondrial function in aging cells and tissues
06 FDA-approved treatment for acquired methemoglobinemia
07 Anti-inflammatory and antimicrobial properties
Dosing Protocols
Melanotan II
Loading: Start 0.25mg daily, increase to 0.5-1mg; Maintenance: 0.5-1mg 2-3x weekly / Loading phase: Daily for first week, then tanning maintenance 2-3x weekly or as needed for sexual enhancement
Initial loading phase 0.25mg 1x daily
Tanning maintenance 0.5-1mg 2-3x weekly
Sexual enhancement 0.5-1mg As needed
Minimal side effects 0.1-0.25mg Every other day
Photoprotection 0.5mg 2x weekly
Methylene Blue
0.5-2 mg/kg oral (low-dose nootropic) / Once daily
Side Effects
Melanotan II
Nausea (pre-treatment with antiemetics recommended)
Facial flushing
Temporary blood pressure elevation
Fatigue
Spontaneous erections
Methylene Blue
Blue or blue-green discoloration of urine (expected and harmless)
Blue-green staining of the tongue and mouth with liquid formulations
Mild nausea or stomach discomfort, especially at higher doses
Blue discoloration of stool
Mild headache during initial use
Contraindications
History of melanoma or dysplastic nevi
Pregnancy or breastfeeding
Cardiovascular conditions
Uncontrolled hypertension
Concurrent use of SSRIs, SNRIs, or MAO inhibitors (serotonin syndrome risk)
Glucose-6-phosphate dehydrogenase (G6PD) deficiency (risk of severe hemolytic anemia)
Renal insufficiency (methylene blue is primarily renally excreted)
Known hypersensitivity to methylene blue or phenothiazine compounds
Pregnancy and breastfeeding (insufficient safety data)
Research Evidence
Melanotan II Methylene Blue
Status Well Studied Well Studied
References 4 studies 5 studies
Latest 2024 2017
FDA Approved No Yes
Full Melanotan II profile Full Methylene Blue profile Melanotan II calculator Methylene Blue calculator
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This comparison is for educational and research purposes only. Consult a healthcare professional before use.