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Natural aromatase inhibitors, including chrysin, grape seed extract, and white button mushroom extract, have limited clinical evidence but some patients report benefits
The practical checks are the same ones covered above
Design Randomised, double-blind, placebo-controlled - people were assigned by chance, neither side knew who got what, and one group got an inactive look-alike
Third-party testing transparency Whether independent laboratory testing is provided and how clearly results are disclosed
This distinction is not merely academic
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