Comparison
Creatine Monohydrate vs Methylene Blue
Side-by-side of Creatine Monohydrate and Methylene Blue. Every row below is pulled from the compound schema and will update as our data grows. For deeper reads, follow through to each compound page.
Creatine Monohydrate
Creatine monohydrate supplement guide: 3-5 g/day raises phosphocreatine stores, lifts anaerobic output 5-15%, supports lean mass and cognition under sleep loss.
Methylene Blue
Methylene blue as a nootropic: low-dose cognitive enhancement, mitochondrial electron cycling, brain oxygen uptake, SSRI interaction risk, typical 0.5 to 4 mg.
Effects at a glance
Creatine Monohydrate
- •Increases anaerobic strength and power output by ~5 to 15% across multiple training studies
- •Adds ~1 to 2 kg of lean body mass over 4 to 12 weeks, partly intracellular water and partly true tissue gain
- •Improves 1-rep max on bench and squat by ~5 to 10% versus placebo in resistance-trained adults
- •Cognitive benefit appears mainly under sleep deprivation or high mental load, less so in well-rested individuals
- •Saturation reached in ~28 days at 3 to 5 g/day, or ~5 to 7 days with a 20 g/day loading phase
- •No evidence of renal harm in healthy adults across long-term studies; caution in pre-existing severe renal disease
Methylene Blue
- •FDA approved for methemoglobinemia and ifosfamide-induced encephalopathy
- •Mitochondrial electron-transport support at low doses (0.5 to 4 mg/kg) via cytochrome c shuttle
- •Potent MAO-A inhibitor; serotonin syndrome risk with SSRIs, SNRIs, MAOIs, fentanyl, tramadol, St John's wort
- •Causes harmless blue-green urine and sweat coloration; useful adherence marker
- •G6PD deficiency is an absolute contraindication; can trigger massive hemolysis
- •Cognitive-enhancement evidence is preliminary, mostly preclinical and small fMRI trials
Side-by-side
| Attribute | Creatine Monohydrate | Methylene Blue |
|---|---|---|
| Category | supplement | pharmaceutical |
| Also known as | creatine | Methylthioninium chloride, Provayblue, tetramethylthionine chloride |
| Half-life (hr) ↗ | 3 | 5.5 |
| Typical dose (mg) ↗ | 5000 | 70 |
| Dosing frequency | daily | 1 to 3 times daily for cognitive use; single IV dose for methemoglobinemia |
| Routes | oral | oral, intravenous |
| Onset (hr) | 168 | 1 |
| Peak (hr) | - | 1.5 |
| Molecular weight | 149.15 | 319.85 |
| Molecular formula | C4H9N3O2 | C16H18ClN3S |
| Mechanism | Donates a phosphate group to ADP via creatine kinase, regenerating ATP during high-intensity, short-duration efforts. | Mitochondrial electron carrier at low doses (cytochrome c shuttle to complex IV) and methemoglobin reductase substrate at higher doses; potent MAO-A inhibitor across the dose range. |
| Legal status | Dietary supplement (most jurisdictions) | Prescription (injectable, FDA approved); supplement form (oral) widely available; not scheduled |
| WADA status | allowed | allowed |
| DEA / Rx | OTC supplement | Not scheduled in the US |
| Pregnancy | Insufficient data | Contraindicated |
| CAS | 57-00-1 | 61-73-4 |
| PubChem CID | 586 | 6099 |
| Wikidata | Q408389 | Q409021 |
Safety profile
Creatine Monohydrate
Common side effects
- water retention
- mild GI upset at loading doses
- weight gain (2 to 4 lb from intracellular water)
Contraindications
- severe renal impairment
Interactions
- caffeine (high-dose acute): mixed data on ergogenic interference; chronic use appears compatible(minor)
- nephrotoxic drugs (NSAIDs, cyclosporine): theoretical additive renal strain in at-risk patients(moderate)
Methylene Blue
Common side effects
- blue-green urine and sweat
- skin and oral mucosa staining
- GI upset
- headache
- dizziness
Contraindications
- G6PD deficiency
- pregnancy
- concurrent serotonergic medication
- severe renal impairment
- infants under 6 months
Interactions
- SSRIs and SNRIs: serotonin syndrome, potentially fatal(major)
- MAOIs: additive MAO inhibition, serotonin syndrome risk(major)
- fentanyl, tramadol, meperidine: serotonin syndrome risk(major)
- dextromethorphan: serotonin syndrome risk(major)
- St John's wort: serotonin syndrome risk(major)
- lithium: additive serotonergic risk(major)
Which Should You Take?
Creatine Monohydrate comes out ahead for most readers on the criteria we weight: 3 catalogued goals, OTC dietary supplement, oral dosing, with a Tier-A outcome catalogued. Methylene Blue is the right call when one of the conditionals below applies.
- → If your priority is strength or hypertrophy, pick Creatine Monohydrate.
- → If your priority is post-training recovery, pick Creatine Monohydrate.
- → If your priority is mitochondrial function, pick Methylene Blue.
- → If your priority is antimicrobial action, pick Methylene Blue.
Edge case: If you want to avoid controlled substance, Creatine Monohydrate is the more accessible choice.
Default choice: Creatine Monohydrate. Lower friction to source, a Tier-A evidence outcome catalogued, and broader goal coverage. Reach for Methylene Blue only if your priority sits squarely in the goals it owns above.
This verdict is generated from each compound's schema (goals, legal status, evidence outcomes, dosing route). It updates automatically as our compound data evolves; the deeper read sits on each individual compound page.
Common questions
What is the difference between Creatine Monohydrate and Methylene Blue?
Creatine Monohydrate and Methylene Blue differ in category (supplement vs pharmaceutical), mechanism, and typical dosing. See the side-by-side table for full details.
Which has a longer half-life, Creatine Monohydrate or Methylene Blue?
Creatine Monohydrate half-life is 3 hours; Methylene Blue half-life is 5.5 hours.
Can you stack Creatine Monohydrate with Methylene Blue?
Stack compatibility depends on mechanism overlap, legal status, and individual response. Check each compound page for specific interactions and contraindications before combining.
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