Red raspberry leaf
Red raspberry leaf suppliers and sourcing guide
Red raspberry leaf is the dried leaf of Rubus idaeus, the common red raspberry, harvested from cultivated canes in Europe, North America and elsewhere. The leaves are dried and sold cut and sifted for herbal teas, powdered for capsules, or extracted with water or water-ethanol. The leaf is rich in tannins and flavonoids and is a different material from raspberry fruit powders and raspberry ketone.
- Category
- Botanicals and mushrooms
- Also known as
- Rubus idaeus leaf · raspberry leaf · Rubi idaei folium
- Facts checked
- November 2026
Forms and grades of red raspberry leaf
Suppliers sell different products under the same name. Specify the one you need.
Cut and sifted leaf
Dried leaf cut to a tea grade, the most common form.
Leaf powder
Milled dried leaf for capsules and blends.
Liquid extract
Hydroalcoholic or glycerin extract of the leaf.
Dry extract
Extract dried to a powder, sometimes sold on tannin or polyphenol content.
Organic
Leaf from certified organic crops, with the certificate tied to the lot.
What to check on the COA
Compare each result with your own specification when the lot arrives.
- Identity (macroscopy, microscopy, HPTLC)
- Checks to confirm Rubus idaeus leaf and flag blackberry or other Rubus leaves.
- Tannin or polyphenol assay
- Tannins or total polyphenols by a named method, where the specification sets a minimum.
- Heavy metals
- Lead, arsenic, cadmium and mercury by ICP-MS, checked against the buyer's limits and any Prop 65 exposure targets.
- Microbiology
- Total plate count, yeast and mold, E. coli or coliforms, and Salmonella.
- Pesticide residues
- Multi-residue pesticide screen, required for organic claims and commonly requested for conventional material.
- Physical tests
- Loss on drying, mesh or particle size, bulk density and, for extracts, the extract ratio, carrier and residual solvent.
Storage, lots and expiry
Storage and shelf life
Keep dried herb and powder sealed in lined bags or drums in a cool, dry, dark place; cut herb loses aroma and color with light and air, and powder picks up moisture once opened. Dry extracts are hygroscopic, so reseal opened containers promptly. Shelf life or a retest date comes from the supplier's specification.
Lots and expiry dates
Color, tannin content and stem share vary with harvest and drying, so check each lot's COA against your specification. Record the supplier lot and origin, and rotate stock first-expiry-first-out.
Regulatory status
Facts from regulators and standards bodies, each linked to its source.
The European Medicines Agency's Committee on Herbal Medicinal Products has a European Union herbal monograph for raspberry leaf, the leaf of Rubus idaeus L.
Source: ema.europa.eu (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.
Red raspberry leaf suppliers
Manufacturers and distributors whose own websites say they sell it.
We are checking red raspberry leaf 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.
Sell red raspberry leaf? Request a listingFrequently asked questions
What forms of red raspberry leaf can brands buy?
Common forms include cut and sifted leaf, leaf powder, liquid extract, dry extract and organic. Ask each supplier for the specification sheet of the exact grade they quote.
What should the COA for red raspberry leaf include?
Expect identity (macroscopy, microscopy, HPTLC), tannin or polyphenol assay, heavy metals, microbiology, pesticide residues and physical tests, each with its method, specification and result for that lot.
How should red raspberry leaf be stored?
Keep dried herb and powder sealed in lined bags or drums in a cool, dry, dark place; cut herb loses aroma and color with light and air, and powder picks up moisture once opened. Dry extracts are hygroscopic, so reseal opened containers promptly. Shelf life or a retest date comes from the supplier's specification.
What is the regulatory status of red raspberry leaf?
The European Medicines Agency's Committee on Herbal Medicinal Products has a European Union herbal monograph for raspberry leaf, the leaf of Rubus idaeus L.
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