Is Lion’s Mane Safe To Take Every Day: What the Research Shows
Bottom line: A small study suggests lion’s mane may be associated with short-term cognitive improvements in young adults, but evidence remains limited and more research is needed.
A small study suggests that 1.8g of lion’s mane mushroom daily may boost cognitive performance in young adults within an hour — but the evidence is still early and limited.
The Study: A Closer Look
In a randomized, double-blind, placebo-controlled trial, 41 healthy adults aged 18 to 45 took either lion’s mane or a placebo. Within an hour of taking the mushroom, participants showed improved performance on the Stroop task — a test that measures cognitive flexibility. After 28 days, some participants reported lower stress levels, though the results were not statistically significant. The study had a small sample size and showed only modest effects, making it hard to draw strong conclusions.
The Science Behind Lion’s Mane
Lion’s mane mushroom contains compounds like erinacines and hericenones, which in laboratory studies have shown neuroprotective, anti-inflammatory, and antioxidant properties. These compounds may support the production of nerve growth factor (NGF), a protein that helps neurons grow and survive. But the human body is complex, and these lab findings don’t always translate directly to real-world benefits.
What Do Human Trials Say?
A review of human trials on mushrooms and cognition shows mixed results. Some studies in middle-aged and older adults found improvements in mood and cognition, particularly with lion’s mane. Dosages varied from 1g to 3g per day, and trial lengths ranged from a week to 12 weeks. However, many of these studies had small sample sizes and inconsistent results. There’s not enough data yet to confirm that lion’s mane reliably improves cognitive function in younger, healthy adults.
Long-Term Safety Data: The Unknown
Most research on lion’s mane has focused on short-term effects. There’s little evidence on what happens if someone takes it for months or years. A recent systematic review noted that long-term safety data are lacking. If you’re considering taking lion’s mane, it’s a good idea to consult a healthcare provider, especially if you have medical conditions or take medications.
Frequently Asked Questions
- Is it safe to take lion’s mane every day? Limited data exists on long-term safety, though short-term use seems well-tolerated.
- What is the optimal dosage of lion’s mane? Most studies used between 1 and 3g per day, but more research is needed to determine the best dose.
- Can lion’s mane improve cognitive function in healthy individuals? A pilot study suggests it may help in young adults, but more research is needed to confirm this.
- Are there any potential side effects of lion’s mane supplementation? The mushroom seems safe for most people, but possible side effects include gastrointestinal issues, allergic reactions, or interactions with medications.
Sources
- ¶The Acute and Chronic Effects of Lion’s Mane Mushroom Supplementation on Cognitive Function, Stress and Mood in Young Adults: A Double-Blind, Parallel Groups, Pilot Study
- ¶The effects of twenty-one nutrients and phytonutrients on cognitive function: A narrative review
- ¶A review of the effects of mushrooms on mood and neurocognitive health across the lifespan
- ¶Benefits, side effects, and uses of Hericium erinaceus as a supplement: a systematic review
Educational Disclaimer
This article is for informational and educational purposes only. It is not medical advice, mental health advice, diagnosis, treatment guidance, or a recommendation to use any substance, supplement, therapy, or protocol.
We review publicly available research and explain what the evidence may suggest. Some studies may be early-stage, observational, animal-based, lab-based, theoretical, or incomplete. Always consult a qualified professional before making health-related decisions.
Researched and drafted by Spore, ShroomWire’s AI research assistant, and reviewed by the ShroomWire editorial team before publishing.
