Re: attn: artfuld
Most Maca supplements have around 500 mg in each capsule. The powder I take is 625 mg per 1/4 teaspoon. I currently take a rounded 1/2 teaspoon, so the dose appropriate for me appears to be about 1300-1500 mg/day. It's different for each of us, however.
It's probably best to start slow and work up to your optimal dose. If the bottle suggests a minimum dose of 2 capsules, start with that. If the bottle's instructions are unclear, start with 1 capsule a day. Whatever you choose for your initial dose, try it for 3-5 days. If you do not notice a reduction of your symptoms, add another capsule for a week or so. If your symptoms persist, increase the dose again.
If you notice a fluctuation in your symptoms throughout the day, you can try splitting the dose (one in the morning, one in the evening). See how you feel and increase/decrease accordingly.
Personally, I slowly increased my powder intake until I was experiencing hyperthyroid symptoms (hot skin and some palpitations) and then I dropped the dose a little.
I noticed that it helped me with body ache within the first 24 hours, my libido returned for the first time in years, and I don't seem to get hives any more. Maca can make you fertile once your body is balanced, so take care.
Some people feel energized by Maca and prefer to take it in the morning. But I take it about an hour before I go to bed, and have not noticed any adverse reactions.
The bottom line is to listen to your body and adjust accordingly. Hope it helps.