Comparison
EGCG vs Lion's Mane
Side-by-side of EGCG 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.
EGCG
EGCG supplement guide: 300-600 mg/day green tea catechin for fat loss and cardiovascular markers. Hepatotoxicity risk above 800 mg/day fasted.
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
EGCG
- •Modest fat loss (~1.3 kg over 12 weeks) when combined with caffeine and caloric deficit
- •Small reductions in LDL cholesterol (3-6 mg/dL) and systolic blood pressure (2-3 mmHg)
- •EFSA flags hepatotoxicity risk above 800 mg/day, particularly when taken fasted
- •Bioavailability is 0.1-1.0%; gut microbiome variation drives population-variable response
- •Green tea extract typically combines EGCG with caffeine and L-theanine for additive effects
- •Reduces non-heme iron absorption when co-administered with meals
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 | EGCG | Lion's Mane |
|---|---|---|
| Category | natural | natural |
| Also known as | epigallocatechin gallate, green tea extract | Hericium erinaceus, Yamabushitake, Bearded Tooth, Hou Tou Gu |
| Half-life (hr) ↗ | 3 | 6 |
| Typical dose (mg) ↗ | 400 | 1000 |
| Dosing frequency | 1 to 2 times daily with food | 1 to 2 times daily |
| Routes | oral | oral |
| Onset (hr) | 1.5 | 168 |
| Peak (hr) | 2 | 1344 |
| Molecular weight | 458.37 | - |
| Molecular formula | C22H18O11 | mixed extract |
| Mechanism | Inhibits catechol-O-methyltransferase (COMT) to prolong norepinephrine signaling; activates AMPK; scavenges reactive oxygen species via gallate ester; modulates gut microbiome and pancreatic lipase activity. | 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; warning labels required above 800 mg/day in some EU jurisdictions | Dietary supplement and food worldwide; unscheduled and unrestricted |
| WADA status | allowed | allowed |
| DEA / Rx | Not scheduled | OTC supplement and food |
| Pregnancy | Avoid high-dose extracts; moderate green tea consumption appears acceptable | Insufficient data for routine supplementation; consumed historically as food without documented harm |
| CAS | 989-51-5 | |
| PubChem CID | 65064 | |
| Wikidata | Q307091 | Q146050 |
Safety profile
EGCG
Common side effects
- nausea
- abdominal discomfort
- diarrhea
- jitteriness (with caffeine)
- sleep disruption (with caffeine)
Contraindications
- pregnancy at high-dose extracts
- active liver disease
- iron deficiency anemia (separate dosing)
Interactions
- iron supplements: reduces non-heme iron absorption; separate by 2 to 3 hours(moderate)
- anticoagulants: additive effects at high catechin doses(minor)
- beta-blockers (nadolol): reduced absorption when taken simultaneously(moderate)
- hepatotoxic supplements (high-dose niacin, kava): theoretical additive hepatotoxicity at high EGCG doses(moderate)
- stimulants and caffeine: additive thermogenic and cardiovascular effects(minor)
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?
EGCG 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 metabolic health and glucose control, pick EGCG.
- → If your priority is healthspan extension, pick EGCG.
- → If your priority is focus or working memory, pick Lion's Mane.
- → If your priority is nerve health, pick Lion's Mane.
Default choice: either is defensible. EGCG 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 EGCG and Lion's Mane?
EGCG 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, EGCG or Lion's Mane?
EGCG half-life is 3 hours; Lion's Mane half-life is 6 hours.
Can you stack EGCG 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