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Salidroside

Salidroside suppliers and sourcing guide

Salidroside is a phenylethanoid glycoside, the glucoside of tyrosol, found in the roots and rhizomes of Rhodiola species. It reaches buyers in two ways: as a marker compound in Rhodiola rosea root extracts, which are usually standardized to salidroside and rosavins, and as high-purity salidroside made by extraction and chromatography from Rhodiola species or by fermentation or enzymatic synthesis from tyrosol. Both are sold as white to brown powders.

See suppliersWhat to ask for on the COA
Also known as
Rhodioloside · Tyrosol 8-O-glucoside · Rhodiola rosea extract · Rhodiola extract (salidroside)
Facts checked
November 2026

Forms and grades of salidroside

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

  • Rhodiola rosea extract

    Root and rhizome extract standardized to a stated salidroside percentage, often with rosavins, which identify Rhodiola rosea.

  • High-purity salidroside

    Grades of 98% or more from purification or synthesis, used where salidroside is the labeled ingredient.

  • Other Rhodiola species

    Extracts from Rhodiola crenulata or other species, which contain salidroside but little or no rosavin and are not the same as Rhodiola rosea extract.

  • Organic or ethanol-only extracts

    Extracts made from organic root or with water and ethanol only.

What to check on the COA

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

Salidroside assay
Salidroside by HPLC-UV against a reference standard.
Rosavins and species identity
Rosavin, rosarin and rosin by HPLC, plus HPTLC fingerprint, to confirm Rhodiola rosea and catch substitution with other species or added synthetic salidroside.
Residual solvents
Ethanol, methanol or other solvents by headspace GC.
Heavy metals and pesticides
Lead, arsenic, cadmium and mercury by ICP-MS, and a pesticide residue screen for root material.
Microbiology
Total plate count, yeast and mold, and absence of Salmonella and E. coli.

Storage, lots and expiry

Storage and shelf life

Keep salidroside and Rhodiola extracts sealed in a cool, dry place away from light; extracts are hygroscopic and can cake. Shelf life is set by the supplier's specification, with retest of salidroside and rosavins for older stock.

Lots and expiry dates

Record salidroside and rosavin results and the stated species for each lot. A high salidroside value with low rosavins in a product sold as Rhodiola rosea extract is a sign to ask the supplier about species or added salidroside.

Regulatory status

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

  • Health Canada's Rhodiola rosea natural health product monograph lists the root and rhizome as the source material and includes standardized dry extracts with 0.8-3% salidroside and/or 1-6% rosavins as a method of preparation.

    Source: webprod.hc-sc.gc.ca (opens in a new tab)

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.

Salidroside suppliers

Manufacturers and distributors whose own websites say they sell it.

We are checking salidroside suppliers now

Every listing is checked against the supplier’s own website before it goes live, so this list fills in over the coming weeks. The specs and COA checklist above are ready today.

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Frequently asked questions

What forms of salidroside can brands buy?

Common forms include rhodiola rosea extract, high-purity salidroside, other Rhodiola species and organic or ethanol-only extracts. Ask each supplier for the specification sheet of the exact grade they quote.

What should the COA for salidroside include?

Expect salidroside assay, rosavins and species identity, residual solvents, heavy metals and pesticides and microbiology, each with its method, specification and result for that lot.

How should salidroside be stored?

Keep salidroside and Rhodiola extracts sealed in a cool, dry place away from light; extracts are hygroscopic and can cake. Shelf life is set by the supplier's specification, with retest of salidroside and rosavins for older stock.

What is the regulatory status of salidroside?

Health Canada's Rhodiola rosea natural health product monograph lists the root and rhizome as the source material and includes standardized dry extracts with 0.8-3% salidroside and/or 1-6% rosavins as a method of preparation.

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