Cognitive Supplement Spotlight, Vol. 4: PQQ
PQQ, or Pyrroloquinoline Quinone, is a popular supplement which may at some point be considered another vitamin, or essential nutrient. PQQ is naturally found in plant foods: kiwi, parsley, cabbage, papaya and others, which deliver small amounts (fractions of the dose found in the supplement). PQQ was discovered in 1979 by a member of … Read more