Should You Take Lion's Mane Before or After Food?
You can take lion's mane before or after food. There's no research showing that timing changes how well it works, so taking it with breakfast is a practical choice that reduces the chance of stomach upset. The bigger questions are the dose and whether it helps at all: human evidence for memory is limited to small trials.
Lion's mane (Hericium erinaceus) is an edible mushroom sold as a "nootropic" for memory and focus. If you've bought some, here's how to take it.
Before or after food?
- With food: easiest on the stomach and simple to remember.
- Without food: fine if it doesn't upset your stomach.
- Morning or evening: no evidence favors either; morning is common for focus goals.
Consistency matters more than timing.
What the evidence shows
- A small 2009 trial in Japanese adults with mild cognitive impairment found better cognitive scores with lion's mane powder over 16 weeks, which declined after stopping.
- Later small studies report mixed effects on memory and mood.
- A 2025 systematic review concluded the evidence is promising but limited, with mostly small, short studies.
Safety
Lion's mane appears generally well tolerated. Possible side effects include stomach upset and skin rash. Avoid it if you're allergic to mushrooms, and talk to a doctor if you're pregnant, breastfeeding, or take blood thinners or diabetes medicines.
The bottom line
Take lion's mane whenever it fits your routine, ideally with a meal. Keep expectations modest. For better-supported options, see our brain health guide and evidence database.
Frequently asked questions
How much lion's mane should I take?
Small trials used around 1–3 g of mushroom powder a day, or lower doses of concentrated extracts. Follow the product label.
How long does lion's mane take to work?
In a small trial in older adults with mild cognitive impairment, differences appeared after several weeks and faded after stopping.
Sources
- Mori K et al. Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment: a double-blind placebo-controlled clinical trial. Phytother Res. 2009
- Menon A et al. Benefits, side effects, and uses of Hericium erinaceus as a supplement: a systematic review. Front Nutr. 2025
This page is for education and is not a substitute for advice from your doctor. Read our medical disclaimer.