Extraction ratios, plant parts, proprietary blends and the difference between testing and marketing.
Most of what separates a good herbal product from a poor one is printed on the package — if the manufacturer chooses to print it.
Look for the plant part, the extraction method and ratio, the batch number and a certificate of analysis you can actually request.
Proprietary blends are the clearest warning sign: they let a manufacturer list impressive ingredients without disclosing meaningful quantities.
A label that hides the plant part is telling you something.
Herbal products can interact with medication. Speak to a healthcare professional before starting anything new.
References
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