Comparison
Armodafinil vs Curcumin
Side-by-side of Armodafinil and Curcumin. 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.
Armodafinil
Armodafinil is the R-enantiomer sold as Nuvigil. Half-life 10-15 h, 150 mg standard dose, narcolepsy and shift-work approvals, Schedule IV.
Curcumin
Curcumin supplement guide: turmeric extract at 500-1000 mg/day, piperine and Meriva for absorption, evidence in joint inflammation and mood.
Effects at a glance
Armodafinil
- •FDA approved in 2007 for narcolepsy, shift-work sleep disorder, and OSA residual sleepiness
- •R-enantiomer of modafinil; 150 mg armodafinil is roughly equivalent to 200 mg modafinil
- •Schedule IV controlled in the US; prescription-only globally
- •Longer terminal half-life of about 15 hours produces extended late-day wakefulness coverage
- •Same CYP3A4 induction as modafinil; reduces hormonal contraceptive efficacy
- •Side-effect profile and dermatologic risk warnings mirror modafinil
Curcumin
- •Reduces osteoarthritis knee pain comparable to ibuprofen at 1500 mg/day enhanced formulation
- •Modest antidepressant effect (SMD ~0.34) as monotherapy or SSRI adjunct in major depression
- •Standard curcumin has ~3% bioavailability; Meriva, BCM-95, Theracurmin shift absorption 5-30 fold
- •Inhibits NF-kB and COX-2; reduces hs-CRP, IL-6, TNF-alpha in chronic inflammation
- •Antiplatelet effect at higher doses; meaningful interaction with warfarin and DOACs
- •Iron chelation can contribute to deficiency in already-marginal patients
Side-by-side
| Attribute | Armodafinil | Curcumin |
|---|---|---|
| Category | pharmaceutical | natural |
| Also known as | Nuvigil, R-modafinil, (R)-(-)-modafinil | turmeric extract, diferuloylmethane |
| Half-life (hr) ↗ | 15 | 7 |
| Typical dose (mg) ↗ | 150 | 500 |
| Dosing frequency | daily, morning | 1 to 2 times daily with meals |
| Routes | oral | oral |
| Onset (hr) | 1 | 2 |
| Peak (hr) | 3 | 4 |
| Molecular weight | 273.35 | 368.38 |
| Molecular formula | C15H15NO2S | C21H20O6 |
| Mechanism | Weak dopamine reuptake inhibition plus downstream activation of histaminergic, noradrenergic, and orexinergic wake systems; R-enantiomer of modafinil with longer half-life. | Inhibits NF-kB transcription factor, COX-2, and lipoxygenase; activates AMPK and Nrf2; modulates JAK-STAT and PI3K-Akt kinase signaling. Pleiotropic anti-inflammatory and antioxidant effects. |
| Legal status | Schedule IV (US); prescription-only globally; not a supplement | Dietary supplement (global) |
| WADA status | banned | allowed |
| DEA / Rx | Schedule IV | Not scheduled |
| Pregnancy | Not recommended | Culinary turmeric is safe; supplemental curcumin best avoided in pregnancy |
| CAS | 112111-43-0 | 458-37-7 |
| PubChem CID | 9148206 | 969516 |
| Wikidata | Q4791953 | Q312266 |
Safety profile
Armodafinil
Common side effects
- headache
- nausea
- dizziness
- anxiety
- insomnia (with later-day dosing)
- dry mouth
- mild blood pressure elevation
Contraindications
- recent myocardial infarction
- unstable angina
- left ventricular hypertrophy
- significant arrhythmia
- history of Stevens-Johnson syndrome
- psychotic disorders
- pregnancy
- concurrent MAOI use
Interactions
- hormonal contraceptives: CYP3A4 induction reduces contraceptive efficacy; use barrier method(major)
- cyclosporine: reduced cyclosporine levels via CYP3A4 induction(major)
- warfarin: CYP2C9 inhibition raises INR(moderate)
- phenytoin: CYP2C19 inhibition raises phenytoin levels(moderate)
- MAOIs: potential hypertensive reaction(major)
- classical stimulants: additive cardiovascular and sleep-disruption effects(moderate)
Curcumin
Common side effects
- nausea
- diarrhea
- dyspepsia
- yellow stool (benign)
Contraindications
- active gallstones (curcumin stimulates gallbladder contraction)
- severe biliary obstruction
- scheduled elective surgery (discontinue 1-2 weeks prior)
Interactions
- warfarin and DOACs: additive antiplatelet and anticoagulant effects; meaningful bleeding risk at 1000+ mg/day(major)
- aspirin and NSAIDs: additive antiplatelet effect(moderate)
- tacrolimus and cyclosporine: CYP3A4 and P-gp modulation may alter drug levels(moderate)
- iron supplements: curcumin chelates iron; can contribute to deficiency in marginal patients(moderate)
- chemotherapy agents: potential interference with multiple agents; coordinate with oncology team(major)
Which Should You Take?
Curcumin comes out ahead for most readers on the criteria we weight: 3 catalogued goals, OTC dietary supplement, oral dosing, with a Tier-B outcome catalogued. Armodafinil is the right call when one of the conditionals below applies.
- → If your priority is wakefulness, pick Armodafinil.
- → If your priority is focus or working memory, pick Armodafinil.
- → If your priority is post-training recovery, pick Curcumin.
- → If your priority is healthspan extension, pick Curcumin.
Edge case: If you want to avoid controlled substance, Curcumin is the more accessible choice.
Default choice: Curcumin. Lower friction to source, and broader goal coverage. Reach for Armodafinil 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 Armodafinil and Curcumin?
Armodafinil and Curcumin differ in category (pharmaceutical vs natural), mechanism, and typical dosing. See the side-by-side table for full details.
Which has a longer half-life, Armodafinil or Curcumin?
Armodafinil half-life is 15 hours; Curcumin half-life is 7 hours.
Can you stack Armodafinil with Curcumin?
Stack compatibility depends on mechanism overlap, legal status, and individual response. Check each compound page for specific interactions and contraindications before combining.
Go deeper