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American ginseng

American ginseng suppliers and sourcing guide

American ginseng is Panax quinquefolius, native to eastern North America. Commercial supply is mostly field-cultivated under shade in Wisconsin and Ontario and harvested after three to four years, with smaller volumes of woods-grown and wild root. It is sold as dried whole root, slices, root powder and water or water-ethanol extracts standardized to ginsenosides.

Also known as
Panax quinquefolius · Wisconsin ginseng · North American ginseng
Facts checked
November 2026

Forms and grades of american ginseng

Suppliers sell different products under the same name. Specify the one you need.

  • Dried root and slices

    Whole or sliced cultivated root, graded by size, shape and age; mostly sold into tea and food markets.

  • Root powder

    Dried root milled to powder, often from smaller roots and prong; not standardized.

  • Standardized extract

    Dry extract sold on a percentage of ginsenosides by a stated HPLC method.

  • Woods-grown and wild root

    Root grown in forest conditions or wild-harvested, sold at a premium in small volumes with separate paperwork.

What to check on the COA

Compare each result with your own specification when the lot arrives.

Identity (HPLC fingerprint)
Confirms Panax quinquefolius by pseudoginsenoside F11 and a high Rb1 to Rg1 ratio, which separate it from Asian ginseng.
Ginsenosides (HPLC)
Named ginsenosides summed by a stated HPLC method.
Pesticide residues
Multi-residue screen including organochlorine fungicides; cultivated ginseng is a crop where these are routinely tested.
Heavy metals
Lead, arsenic, cadmium and mercury by ICP-MS.
Microbiology
Total plate count, yeast and mold, E. coli and Salmonella.

Storage, lots and expiry

Storage and shelf life

Keep dried root and powder sealed, cool and dry to prevent mold and insect damage. Extracts are hygroscopic, so reseal opened containers. Shelf life or retest date comes from the supplier.

Lots and expiry dates

Origin, root age and grade drive both price and ginsenoside content. Record origin, grade and supplier lot at receiving, and confirm species on each lot because American and Asian ginseng are substituted for each other.

Regulatory status

Facts from regulators and standards bodies, each linked to its source.

This is general information, not regulatory advice. Status differs by country and by how the ingredient is used, so check the rules for your product and market.

American ginseng suppliers

Manufacturers and distributors whose own websites say they sell it.

  • Draco Natural Products

    Manufacturer · San Jose, CA

    Draco Natural Products is a San Jose, California, maker of powdered botanical and mushroom extracts, including certified organic and traditional Chinese herb extracts, with an office in Shanghai.

    • cGMP
    • SQF
    • ISO 9001
    • Certified organic
    • Kosher
    • Halal

Suppliers are in alphabetical order and none pays to appear. Each claim is checked against the supplier’s own website on the date shown. Ask for the specification sheet and a recent COA before you order, and confirm details with the supplier.

Frequently asked questions

What forms of american ginseng can brands buy?

Common forms include dried root and slices, root powder, standardized extract and woods-grown and wild root. Ask each supplier for the specification sheet of the exact grade they quote.

What should the COA for american ginseng include?

Expect identity (HPLC fingerprint), ginsenosides (HPLC), pesticide residues, heavy metals and microbiology, each with its method, specification and result for that lot.

How should american ginseng be stored?

Keep dried root and powder sealed, cool and dry to prevent mold and insect damage. Extracts are hygroscopic, so reseal opened containers. Shelf life or retest date comes from the supplier.

What is the regulatory status of american ginseng?

The EU Novel Food status Catalogue (entry POL-NF-00568) concerns the plant Panax quinquefolius and lists it as not novel in food.

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