SO DYK
The curious few.
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Know what you're putting in your body.

158 herbs, nutrients, and compounds. What the science says, what tradition knew, and what to watch for. Founding members keep this running.

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Exploring

Hair Loss

5 herbs and supplements with traditional or clinical support

I
Iron
Fe — Element #26

An essential mineral the body uses to carry oxygen in the blood, produce energy, and build many enzymes. Iron...

  • essential building block of hemoglobin, the protein tha...
  • required for energy production at the cellular level
  • required for normal cognitive development in children
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Z
Zinc
Zn — Element #30

An essential trace mineral involved in over 300 enzymes and more than 1,000 zinc-finger transcription factors....

  • required for immune cell development, including t-cells...
  • cofactor for dna synthesis, cell division, and protein...
  • supports wound healing through its role in collagen syn...
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S
Saw palmetto
Serenoa repens
moderate (contested)

A small palm of the southeastern US whose berries are traditionally used for prostate comfort and urinary symp...

  • supports prostate comfort in mild bph
  • may reduce urinary frequency in bph
  • inhibits 5-alpha-reductase modestly
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S
Selenium
Se — Element #34

An essential trace mineral the body uses in a small but important set of antioxidant enzymes — particularly th...

  • cofactor for glutathione peroxidase, one of the body's...
  • critical for thyroid hormone activation — selenium-depe...
  • supports immune function and the body's defense against...
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S
Silicon
Si — Element #14

The second most abundant element in the earth's crust, present in trace amounts throughout the body. Silicon i...

  • supports collagen formation and connective tissue stren...
  • may support bone density when consumed regularly throug...
  • associated with hair, skin, and nail strength in observ...
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