2 doctors weighed in:

How long should it take for my astragalus, echinechea, eyebright, propilis, and bilberry supplements to work?

2 doctors weighed in
Dr. Jay Bradley
Ophthalmology - LASIK Surgery
1 doctor agrees

In brief: Supplements

Since these are herbal medication, they are not as highly regulated and studied.
Onset of action will vary significantly and will depend on the reason you are taking this particular mix of herbals.

In brief: Supplements

Since these are herbal medication, they are not as highly regulated and studied.
Onset of action will vary significantly and will depend on the reason you are taking this particular mix of herbals.
Dr. Jay Bradley
Dr. Jay Bradley
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