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Damiana explained: what it is and where it comes from

The NIH (US National Institutes of Health) says Turnera is a plant genus in the Passifloraceae family, also called Damiana or Turnera diffusa. The US FDA (in the federal regulations) says this ingredient comes from the leaves of Turnera diffusa. Two of the products we reviewed list damiana, and one label prints its amount: 200 mg per serving.

By HowNook's Health desk · Updated

What it is
Plant
In the products we reviewed
2, 1 print the amount

What damiana is

  • This ingredient comes from the leaves of Turnera diffusa.1
  • The genus Turnera is also called Damiana or Turnera diffusa.2
  • Turnera is a plant genus in the Passifloraceae family.2
  • Damiana leaves are permitted as a natural food flavoring under specified conditions.1

How much damiana each product gives

Per serving, as each label prints it

Amount not printed: the dashed line shows the most it can be, the whole blend

Quietum PlusNot printed · at most 802 mg
ProtoFlow200 mg

Before you take it

Ask a doctor first

  • Use as a food flavoring must be limited to the minimum quantity needed for its intended effect and follow good manufacturing practice.1

These statements have not been evaluated by the FDA. A supplement is not a medicine.

The 2 products we reviewed that list damiana

ProductForm and servingDamiana per servingOur scorePrice a bottleBuy
Quietum Plus#4 in hearing supportCapsules2 capsulesNot printedIn a 802 mg proprietary blend9.4$49Check price
ProtoFlow#6 in prostate health supportCapsules2 capsules200 mg8.5$49Check price
Prices checked Oct 12, 2026

Questions people ask

What is damiana leaf?

Damiana leaf comes from Turnera diffusa, according to the US FDA (in the federal regulations). The NIH (US National Institutes of Health) says Turnera is a plant genus in the Passifloraceae family.

Which supplements contain damiana?

Quietum Plus and ProtoFlow both list damiana. ProtoFlow prints 200 mg per serving of 2 capsules. Quietum Plus lists it inside an 802 mg proprietary blend without printing its individual amount.

What are damiana leaf side effects?

Ask a clinician before starting a damiana supplement.

Is damiana safe?

The US FDA's statement here concerns damiana as a food flavoring, not personal supplement safety. In the federal regulations, that use must be limited to the minimum quantity needed for its intended effect and follow good manufacturing practice. Ask a clinician before starting a damiana supplement.

Also in these products

All ingredients

Sources

The products, amounts and prices come from each product's label and checkout, as its review shows them. AI drafts our pages from listed sources, figures are checked against them, and we have not tried the products.

  1. 1US Code of Federal Regulations, 21 CFR 172.510, Natural flavoring substances and natural substances used in conjunction with flavorsecfr.gov/currentchecked
  2. 2NIH National Library of Medicine, Medical Subject Headings, Turnerameshb.nlm.nih.gov/recordchecked