Lion's Mane 4000mg with Vitamin B1 & Black Pepper

Lion's Mane Mushroom Supplement 4000mg 180 Tablets

Packaging may vary from images shown. Manufacturers update designs from time to time — check the Amazon listing for the current packaging.

4000mg Lion’s Mane extract (50% polysaccharides) with black pepper and vitamin B1, per 2-tablet serving. As covered in our complete mushroom guide, most of the cognitive research behind lion’s mane is preclinical — worth knowing before “scientifically proven,” plus a documented allergy case missing from this product’s description.

SKU: B0C9TWKQQV Categories: Lion’s Mane, Mushrooms Brand: Nutrition Geeks

Description

What Lion’s Mane Research Actually Shows, Plus a Missing Safety Point

This tablet provides 4000mg of Lion’s Mane (Hericium erinaceus) extract, standardised to 50% polysaccharides, with black pepper extract to aid absorption and vitamin B1 (thiamine), which has an established role in normal energy metabolism and nervous system function.

It’s worth being precise about the “scientifically backed” and “scientifically proven” framing: as covered in more detail in our medicinal mushroom guide, lion’s mane is studied for stimulating nerve growth factor (NGF), a protein involved in nerve maintenance and repair — but most of this research comes from laboratory and animal studies, not large human trials. This is genuinely interesting, ongoing research rather than a proven effect on human memory or cognitive function, and “mental performance support” is best read as a promising area of study rather than an established, guaranteed outcome.

Worth adding, since it’s missing from this product’s description: a documented case report described the first known instance of anaphylaxis following lion’s mane consumption — a rare but real allergic reaction. Anyone with a known allergy to other mushroom varieties should be cautious and watch for hives, swelling, or breathing difficulty when trying it for the first time, seeking immediate medical attention if these occur. Animal research has also found lion’s mane may lower blood glucose, so if you have diabetes or take blood sugar medication, it’s worth discussing regular use with your GP.

Lion’s mane is generally well tolerated at standard doses, with mild digestive discomfort the most commonly reported effect when starting.

Vegan, gluten-free, dairy-free (though produced in a facility that handles dairy). Take two tablets daily with water. Not suitable for under-18s. Speak to your GP before use if you have a known mushroom allergy, diabetes, take blood sugar medication, are pregnant, breastfeeding, or have an existing health condition.