Adder, this has been discussed many times before. Please use the search function before starting a new topic.
Just to answer your question. There are ±750 drops in the entire bottle and you will use anything from 0.3mg (8 drops) to 1mg (25 drops) per day depending on needs. For prevention of estrogenic side-effects take the lower dose and to combat estrogenic side-effects that already started use the higher end of the dosage range. It's up to you to find the best dose that work for your situation.
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