Who should avoid taking StiffNights?
Do not take StiffNights if you have any medical condition! This is including but not limited to anyone on prescription medications, or anyone with a history of cancer, heart disease, stroke, migraine headaches, renal failure, liver failure, severe allergies, or other condition. You should consult your physician before starting this nutritional supplement. StiffNights is not recommended for anyone under 18 years of age.