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FamilyPhysician, Doctor
Category: OB GYN
Satisfied Customers: 12816
Experience:  Board certified Family Physician, 27 years experience in emergency medicine.
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Is it safe to take L-Lysine while you are pregnant

Customer Question

Is it safe to take L-Lysine while you are pregnant?
Submitted: 8 years ago.
Category: OB GYN
Expert:  FamilyPhysician replied 8 years ago.
There are no good studies on the use of Lysine in pregnancy, however there are some animal studies that suggest that there may be some negative effects on pregnancy (in rats).

For this reason, the FDA considers this supplement to be category C - it should only be used in pregnancy in consultation with your doctor to discuss the potential risks and benefits.

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