How Much Choline Do You Need?
Daily Recommended Intake (RDI):
These values come from the Food and Nutrition Board (FNB).
For Adults:
- Men: 550 mg/day
- Women: 425 mg/day
- Pregnant women: 450 mg/day
- Breastfeeding women: 550 mg/day
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How Much Is Too Much? (Upper Limit)
The Tolerable Upper Intake Level (UL) for adults is:
➡️ 3,500 mg per day (3.5 grams)
This is the maximum safe amount.
Taking more than this can cause:
- Low blood pressure
- Fishy body odor
- Excessive sweating
- Liver problems
- Nausea / vomiting
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How Does 800 mg Choline Help With Attention?
Some supplements (like the “Nature Made Choline 800 mg”) use a clinically studied dose.
What it may help with:
- Focused attention
- Mental performance
- Brain function
- Nervous system support
For young adults, 800 mg is considered a research-supported level for attention.
Is 800 mg safe?
Yes — 800 mg is far below the upper limit of 3,500 mg/day.
So it is generally safe for healthy adults as long as you are not taking other high-choline supplements at the same time.
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Simple Summary
- Men need: 550 mg/day
- Women need: 425 mg/day
- Pregnancy: 450 mg/day
- Breastfeeding: 550 mg/day
- Upper limit: 3,500 mg/day
- 800 mg supplement: Safe and used in research to improve attention
