• L-Theanine 200mg + 100mg Caffeine from Green/Black Tea or Coffee 100mg (2:1 ratio)
  improved focus, attention, motivation, and mood
• Piracetam 1600mg (pharmacy)  + Uridine 250mg + CDP Choline 250mg
  improved concentration, focus, memory recall, lucid dreaming
• Creatine 5g
  improved short-term memory, reasoning skills
• Melatonin 3mg – before sleep
  Associated with the regulation of sleep/wake cycles, Melatonin is a potent antioxidant that defends against free radicals and helps to support glutathione activity in the neural tissue.
• Ashwagandha 450mg
  Anti-anxiety and anti-depressant effects, probably due to its ability to affect serotonin and GABA.
• Omega 3, Vitamin D, Probiotics , Multivitamin
  Brain health nutrition fundamentals.

Reference

• http://slatestarcodex.com/2016/03/01/2016-nootropics-survey-results/
• http://www.brainprotips.com/best-nootropics-2016/