EVIDENCE-LED SUPPLEMENTS

Evidence first. Clear formulas. No hype.

Focused supplements with clearly disclosed ingredients, useful specifications and plain-English information—so you can compare what you are buying.

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Start with our core formulas

Start with the By Nature formulas customers are most likely to compare first: our Advanced mushroom and fucoidan formula, Immutonic eight-mushroom blend and clearly specified Lion’s Mane extract.

Why By Nature

  • Clear specifications

    See ingredient identity, extract ratios, extraction methods and standardised markers where they matter.

    Read the Ingredient Guide 

  • Focused formulas

    We prefer a clear reason for every ingredient over long lists designed only to look impressive.

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  • Responsible claims

    Ingredient research is explained with context. Food supplements are never presented as medicines.

    Our standards 

  • Straight answers

    We explain label terminology in plain English and correct information when better evidence becomes available.

    Frequently asked questions 
Our standards

Functional mushrooms, explained properly

Explore By Nature functional mushroom formulas, including single-mushroom extracts, multi-mushroom blends and mushroom-derived compounds. Compare species, mushroom part, extraction method and declared active markers.

Learn before you buy

What do 10:1, beta-glucans, polysaccharides, hericenones and dual extraction actually mean? Our guides help you read the label before you choose a product.

Visit the Ingredient GuideRead the Journal