I would go with muscle marinade. Honestly I heared some bomb reviews from people I know it's not super well known yet but I haven't met one person who tried it that said it wasn't their favorite pwo.
Out of the ones I tried I would go with Orange Krush but it's expensive.
If you want something reach out and grab it.
"What lies behind us and what lies before us are tiny matters compared to what lies with in us." Ralph Waldo Emerson