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Questions About Natural Products

Collinsonia Safety


Read your article on Collinsonia... thank you. I was wondering if this herb has any side effects if you use it a lot? Will it lose it's effectiveness if used frequently?


We have not observed any side-effects with using Collinsonia long-term in our practice. In fact the National Cancer Institute is currently investigating Collinsonia for suspected anti-cancer properties.

This does not mean that side-effects of some form are not possible, but we have not seen any and herbal reference books do not list any. Its effectiveness does not seem to be compromised if used for prolonged intervals. However, with most herbs and Collinsonia is no exception, it is a good idea to take 1 week off every 6-8 weeks if using for sustained periods of time. This is just a good rule of thumb to make sure that effectiveness of herbs is sustained.

The adult dose of Collinsonia is often 2 capsules twice daily. For a child, the equivalent dose would be a fraction of this depending upon the child's age and weight. But it is always fine to start off dosing any new supplement at the lowest amount (1 capsule) to start with just to make sure it agrees with the individual. Then increasing this if needed.

The Ask Dr. D'Adamo internet advice column ran from 1996 to 2009, at which time Dr. D'Adamo's teaching and programming responsibilities no longer allowed him to devote time and resources to directly answering visitor questions. However we've recently reorganized this treasure-trove of material and made it again available to his readership. He occasionally posts new entries. These are marked with a NEW tag.

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