Optimal PC is a precursor to acetylcholine, an important neurotransmitter in the brain. Effecting levels of neurotransmitters may have an effect on energy or sleep.*

### Articles in this section

- Why can't Optimal PC be taken at night?
- What is the difference between lecithin and Optimal PC?
- What is the ratio of Omega 3 to Omega 6 in Optimal PC Liquid?
- What is Optimal PC Liquid derived from?
- What is the expiration date of Optimal PC Liquid?
- Does Optimal PC Liquid contain corn or grain-derived ingredients?
- Is Optimal PC Liquid suitable for vegans and vegetarians? If not, why?
- Is Optimal PC Liquid safe to use while pregnant or breastfeeding?
- Can Optimal PC Liquid be used for children?
- Are there any side-effects or precautions when using Optimal PC Liquid?

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