How much water should I drink before donating plasma?

For most donors, aim for 8–10 glasses of water daily and drink 12–24 ounces of water 30–60 minutes before donation. Starting 24–48 hours before your appointment can help support hydration.

Can I drink coffee before plasma donation?

It is best to limit or avoid coffee before plasma donation because caffeine may make it harder to stay hydrated and may affect your pulse. If you drink coffee, keep it minimal and drink extra water.

What should I drink before plasma donation?

Water is the best option before plasma donation. Electrolyte drinks in moderation, low-sugar juice, and orange juice may also help support hydration.

Can dehydration affect plasma donation eligibility?

Yes, dehydration may affect plasma donation eligibility by making veins harder to access, slowing the donation process, or affecting screening readings such as hematocrit.