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Description
The juice of the bulb was extracted and taken internally, while the bulb was ground into a paste for external treatment

dos Santos Vigrio P, Chachamovitz DS, Cordeiro MF, et al

You can learn more about this approach in Why Bioavailability Matters

Locate the lot number on the vial or packaging and compare it with the product documentation available from PeakForm.

The evidence is preliminary but promising
