Comparison
Creatine Monohydrate vs Glutathione
Side-by-side of Creatine Monohydrate and Glutathione. 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.
Glutathione
Glutathione (GSH) is the body's primary intracellular antioxidant. Oral supplementation has variable bioavailability; sublingual, liposomal, and IV forms.
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
Glutathione
- •Body's primary intracellular antioxidant; tripeptide of glutamate, cysteine, glycine
- •Oral bioavailability poor; sublingual, liposomal, IV more reliable
- •Richie 2014 trial showed body GSH store increases at 250-1000 mg/day for 6 months
- •NAC supplementation often more cost-effective indirect strategy
- •Modest signals in NAFLD, skin aging, immune support; weak in cardiovascular
Side-by-side
| Attribute | Creatine Monohydrate | Glutathione |
|---|---|---|
| Category | supplement | supplement |
| Also known as | creatine | GSH, L-glutathione, reduced glutathione |
| Half-life (hr) ↗ | 3 | 0.5 |
| Typical dose (mg) ↗ | 5000 | 500 |
| Dosing frequency | daily | daily, often divided |
| Routes | oral | oral, sublingual, intravenous |
| Onset (hr) | 168 | 1 |
| Peak (hr) | - | 2 |
| Molecular weight | 149.15 | 307.32 |
| Molecular formula | C4H9N3O2 | C10H17N3O6S |
| Mechanism | Donates a phosphate group to ADP via creatine kinase, regenerating ATP during high-intensity, short-duration efforts. | Tripeptide antioxidant; substrate for glutathione peroxidase (H2O2 reduction), GST (xenobiotic conjugation), glutaredoxin (redox signaling). GSH:GSSG ratio is the central cellular redox indicator. |
| Legal status | Dietary supplement (most jurisdictions) | OTC dietary supplement |
| WADA status | allowed | allowed |
| DEA / Rx | OTC supplement | OTC supplement |
| Pregnancy | Insufficient data | Insufficient data at supplemental doses; endogenous compound is safe |
| CAS | 57-00-1 | 70-18-8 |
| PubChem CID | 586 | 124886 |
| Wikidata | Q408389 | Q116907 |
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)
Glutathione
Common side effects
- mild GI upset
Contraindications
- asthma (IV / inhaled forms specifically)
- active chemotherapy without oncologist guidance
Interactions
- chemotherapy agents: theoretical interference with GSH-depletion-dependent agents(moderate)
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. Glutathione 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 focus or working memory, pick Creatine Monohydrate.
- → If your priority is liver function, pick Glutathione.
- → If your priority is healthspan extension, pick Glutathione.
Edge case: Half-lives differ materially (Creatine Monohydrate ~3 hr vs Glutathione ~0.5 hr). Creatine Monohydrate reaches steady state faster; Glutathione is easier to dial in if tolerability is uncertain.
Default choice: Creatine Monohydrate. Lower friction to source, a Tier-A evidence outcome catalogued, and broader goal coverage. Reach for Glutathione 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 Glutathione?
Creatine Monohydrate and Glutathione differ in category (supplement vs supplement), mechanism, and typical dosing. See the side-by-side table for full details.
Which has a longer half-life, Creatine Monohydrate or Glutathione?
Creatine Monohydrate half-life is 3 hours; Glutathione half-life is 0.5 hours.
Can you stack Creatine Monohydrate with Glutathione?
Stack compatibility depends on mechanism overlap, legal status, and individual response. Check each compound page for specific interactions and contraindications before combining.
Go deeper