Here is an article that examines research of nootropics, compounds to support cognitive function. The top 5 are
1 Sam-e – Helpful in mood and Long Term Memory
2) N-Acetyl Cysteine – helpful in mindfulness, sleep, mood, anxiety, long-term memory
3) Grape Seed Extract – helpful in problem-solving, mood, anxiety, attention, long and short-term memory
4) Pine Bark Extract – helpful in mindfulness, attention, problem-solving, neuroprotection, short and long-term memory, and mood.
5) Omega 3 – helpful in attention, mood, learning, long and short-term memory, problem-solving