Comparison
Ashwagandha vs Lion's Mane
Side-by-side of Ashwagandha and Lion's Mane. 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.
Ashwagandha
Ashwagandha supplement guide: KSM-66 and Sensoril extracts at 300-600 mg/day cut morning cortisol and stress in RCTs. Dose, side effects, testosterone data.
Lion's Mane
Lion's mane mushroom (Hericium erinaceus) supplement profile: hericenones and erinacines stimulate NGF in vitro. Human cognition trials are small.
Effects at a glance
Ashwagandha
- •Reduces morning serum cortisol by ~20 to 30% at 300 to 600 mg/day standardized extract over 8 weeks
- •Lowers subjective stress on DASS-21 and PSS scales versus placebo in chronically stressed adults
- •Modest grip-strength and 1-RM gains of ~5 to 8% in trained men when paired with resistance training
- •Improves self-reported sleep quality and onset latency in adults with insomnia symptoms
- •Small testosterone increases (~10 to 15%) reported in stressed or subfertile men, less clear in healthy populations
- •May raise free T3 and T4; can interact with levothyroxine and unmask subclinical hyperthyroidism
Lion's Mane
- •Edible medicinal mushroom containing NGF-stimulating hericenones and erinacines
- •Mori 2009 trial (n=30) in mild cognitive impairment showed cognitive improvement at 3 g/day for 16 weeks, reversing 4 weeks after discontinuation
- •Saitsu 2019 (n=31) in older adults reported MoCA improvements at 3.2 g/day over 12 weeks
- •Multiple small mood trials suggest reduced anxiety and depression scores at 1 to 4 g/day extract
- •Mechanistic case rests on NGF stimulation and remyelination support; in vivo human NGF measurement is absent
- •Product quality varies substantially; mycelium-on-grain products can be over 50% grain by weight
Side-by-side
| Attribute | Ashwagandha | Lion's Mane |
|---|---|---|
| Category | natural | natural |
| Also known as | Withania somnifera, KSM-66, Sensoril | Hericium erinaceus, Yamabushitake, Bearded Tooth, Hou Tou Gu |
| Half-life (hr) ↗ | 10 | 6 |
| Typical dose (mg) ↗ | 600 | 1000 |
| Dosing frequency | daily | 1 to 2 times daily |
| Routes | oral | oral |
| Onset (hr) | 2 | 168 |
| Peak (hr) | - | 1344 |
| Molecular formula | - | mixed extract |
| Mechanism | GABAergic modulation and HPA-axis attenuation; withanolides reduce cortisol secretion and inhibit NF-kB signaling. | Hericenones and erinacines stimulate NGF mRNA expression and NGF protein release in cultured neurons; secondary anti-inflammatory and remyelination-supportive activity in preclinical models. |
| Legal status | Dietary supplement in most jurisdictions; regulated in Denmark | Dietary supplement and food worldwide; unscheduled and unrestricted |
| WADA status | allowed | allowed |
| DEA / Rx | OTC supplement | OTC supplement and food |
| Pregnancy | Not recommended | Insufficient data for routine supplementation; consumed historically as food without documented harm |
| Wikidata | Q310109 | Q146050 |
Safety profile
Ashwagandha
Common side effects
- mild GI upset
- drowsiness
- headache
Contraindications
- pregnancy
- autoimmune disease (theoretical immune stimulation)
- hyperthyroidism
- concurrent sedative use
Interactions
- benzodiazepines: additive CNS depression(moderate)
- thyroid hormone (levothyroxine): may raise T3/T4, altering dose requirements(moderate)
- immunosuppressants: theoretical antagonism via immune stimulation(moderate)
Lion's Mane
Common side effects
- mild GI upset
- occasional skin rash
- contact dermatitis (rare)
Contraindications
- mushroom allergy
Interactions
- anticoagulants: theoretical antiplatelet effect, no documented clinical events(minor)
Which Should You Take?
Ashwagandha and Lion's Mane score evenly on the criteria we weight (goal breadth, legal accessibility, evidence depth). The conditionals below should drive the decision more than any aggregate score.
- → If your priority is stress and HPA-axis regulation, pick Ashwagandha.
- → If your priority is hormonal optimization, pick Ashwagandha.
- → If your priority is nerve health, pick Lion's Mane.
- → If your priority is mood, pick Lion's Mane.
Default choice: either is defensible. Ashwagandha edges out on goal breadth + legal accessibility; Lion's Mane is the right call if your priority sits in the goals listed 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 Ashwagandha and Lion's Mane?
Ashwagandha and Lion's Mane differ in category (natural vs natural), mechanism, and typical dosing. See the side-by-side table for full details.
Which has a longer half-life, Ashwagandha or Lion's Mane?
Ashwagandha half-life is 10 hours; Lion's Mane half-life is 6 hours.
Can you stack Ashwagandha with Lion's Mane?
Stack compatibility depends on mechanism overlap, legal status, and individual response. Check each compound page for specific interactions and contraindications before combining.
Go deeper