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Phosphatidylserine Side Effects: Who Should Ask First

Quick answer

Phosphatidylserine side effects are usually mild: upset stomach, gas, insomnia and headache are the ones listed most often. Skin rash, mood changes and low blood sugar are also named. Cleveland Clinic says pregnant or nursing people should ask a provider first. The MemoPryl bottle images print no warnings.

By the MemoPryl label deskUpdated · 4 min read

MemoPryl bottle label B: Advanced Formula, 60 capsules, By NutraVibe
The MemoPryl bottle, label B (Advanced Formula, 60 capsules). No warnings text is printed on any image we have.

What are the side effects of phosphatidylserine?

The common ones are upset stomach, gas, insomnia and headache. Less often, Cleveland Clinic lists skin rash, mood changes and low blood sugar (Cleveland Clinic, Phosphatidyl.).

In the one small trial we cite, no adverse events were linked to phosphatidylserine at 100 mg or 300 mg a day for six months (Kato-Kataoka 2010, soy PS trial). That is reassuring, but 78 people is not a large safety record.

Reported effects of phosphatidylserine
EffectWhat to do
Upset stomach, gasTell your pharmacist if it lasts
Insomnia, headacheNote the time you took it
Rash, mood changeStop and call your doctor
Low blood sugarAsk first if you manage diabetes

Does phosphatidylserine interact with medicines?

It may. Cleveland Clinic says phosphatidylserine may reduce the effect of anticholinergic drugs such as atropine (Cleveland Clinic, Phosphatidyl.).

That is one named example, not a full list. Interaction data on supplements is often thin, so the safest step is to show the bottle to a pharmacist before the first capsule.

Keep taking prescribed medicine exactly as directed. A supplement is never a substitute, and nobody should change a prescription without their doctor.

For the wider picture, read our medicine interaction guide.

Who should ask a doctor before taking it?

Anyone who takes a prescription, is under a doctor's care or lives with a medical condition should ask first. So should anyone who is pregnant or nursing, since Cleveland Clinic says to ask a provider (Cleveland Clinic, Phosphatidyl.).

MemoPryl is sold only to adults aged 18 and over. Answer the questions below honestly, then take the result to your pharmacist.

1. Are you on any prescription medicine, or under a doctor's care?
2. Are you pregnant, nursing or under 18?
3. Are you on an antidepressant, birth control pills, a blood thinner, or medicine for HIV, seizures, a transplant or the heart?
4. Is surgery or a dental procedure coming up, do you have a bleeding disorder, or do you take aspirin?
5. Do changes in memory or thinking worry you, in yourself or someone close?
Answer all fiveYour result appears here. It is a checklist, not medical advice.

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What does the MemoPryl label say about side effects?

Nothing we can see. No image we have prints warnings, directions or a Supplement Facts panel.

Phosphatidylserine is named on a sibling pack, not confirmed for the bottle you receive. Read the warnings on your bottle, and compare them with the list above.

MemoPryl bottle label A: Cognitive Support Formula, 30 Capsules
The MemoPryl bottle, label A (Cognitive Support Formula, 30 capsules). It prints claims, not warnings.

Thinking about MemoPryl?Check your medicines with a pharmacist first. The checkout confirms prices and the 60-day window.

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Until the seller confirms its list, prices stay as fill-in fields. The checkout shows the final total.

What if I have a reaction?

Stop using the product and get medical advice. FDA says to report a serious reaction through its Safety Reporting Portal (FDA, Report a Supplement Problem).

Serious reactions include an allergic reaction, bleeding or severe stomach trouble. Keep the bottle and the lot code so you can describe exactly what you took.

FAQ01

Questions people ask about MemoPryl

Can phosphatidylserine cause trouble sleeping?

Yes, insomnia is on the list of reported effects. If sleep gets worse after you start a new capsule, tell your pharmacist and note when you take it. Never change prescribed medicine on your own.

Is phosphatidylserine safe while nursing?

Cleveland Clinic says people who are pregnant or breastfeeding should ask a provider first. The MemoPryl images print no warning text, so ask a doctor or pharmacist before using any capsule.

Can phosphatidylserine lower blood sugar?

Low blood sugar is among the effects Cleveland Clinic lists. If you manage diabetes or take medicine that lowers blood sugar, ask your pharmacist before starting and watch for symptoms.

Who wrote this02

Written and reviewed by

Written byThe MemoPryl label deskMemopryl.cc, MemoPryl USA retail

Each page draws on the bottle images, the seller's product notes and linked NIH, FDA, FTC and peer-reviewed sources.

Medically reviewed byDr. Neelum Aggarwal, MD, PhysicianRole: Medical reviewerReview date: October 19, 2026

Last updated . See our editorial standards and how we check reviews. This website is run by MemoPryl USA retail, not by the manufacturer or the distributor of the bottle. We are paid a commission when you buy through our order links.

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Read the bottle you receive and go over your medicines with a pharmacist before you pick a pack. The checkout confirms prices and the guarantee terms.

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