Lurk, have you tried Mucuna pruriens extract? I tried the mp seed powder from Banyon but never was satisfied with the results. Plus a heaping tablespoon of mp 3 or 4 times a day was difficult for me to ingest. I have used 40% Mucuna extract from Barlowes herbal elixirs in a 650 mg capsule for about a year now. No mixing involved, no bad taste and easy to swallow. Plus it works. I take one capsule with one half tablet of sinemet. I purchase it through Amazon. There are other mp extracts available but I have not tried hem.