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Everything here is reference information drawn from the research literature, not medical advice, and Lamduan is neither a doctor nor a pharmacist. Supplements are not medicines and do not replace anything a doctor has prescribed. If you take regular medication, are pregnant or breastfeeding, have liver or kidney disease, or have surgery coming up, speak to a pharmacist or doctor before starting anything on this page.
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All supplements 75
Tap a name for all six answers. Every answer carries a badge saying how strong the evidence is, and where the marketing does not match the research, it says so plainly.
The B vitamin needed to build DNA and divide cells. The synthetic form absorbs better than the natural one, which is exactly why it needs a ceiling.
🎯What it helps withStrong evidence
Preventing neural tube defects — one of the strongest findings in all of nutrition. It has to start before conception.
⚗️Effect on hormonesNo human data
No hormonal effect.
Weight and fat lossNo human data
Nothing to do with fat loss.
🌙SleepNo human data
Nothing to do with sleep.
❤️Other health effectsStrong evidence
Blood formation and cell division.
📏Dose and ceiling
Commonly used: 400-800 mcg per day
1,000 mcg/day — IOM and EFSA agree. Counts synthetic folic acid from supplements and fortified food only, not natural food folate.
Caution
High doses mask the anaemia of B12 deficiency, letting spinal cord damage progress without warning. If you take high-dose folate, always take B12 alongside it.