Herbs can have side effects and interact with other herbs, supplements, or medications. For these reasons, you should take herbs under the supervision of a healthcare provider. People suffering from stomach ulcers, duodenal ulcers, or gallstones should avoid using Devil's claw. According to research, taking Devil's Claw may produce gastrointestinal adverse effects. Pregnant and nursing women should avoid taking Reflex-Ace Capsule because research on this population is limited. Before taking Reflex-Ace Capsule, people with heart disease, high blood pressure or low blood pressure, peptic ulcers and other pre-existing medical conditions should seek medical advice from their doctors. If you experience any unusual symptoms or allergic reactions whilst taking medicine, please discontinue the use and consult your doctor immediately. Let your doctor know if you have any surgery scheduled before starting the medication. Inform your doctor if you are pregnant, planning to conceive or breastfeeding. If you feel dizzy/sleepy while using this medicine, it is advised to avoid driving and operating machinery until you feel better. Limit or avoid alcohol intake while using this medicine to minimize interactions and the occurrence of side effects. Keep the medicine out of reach of children and pets. Store in a cool, dry place, protected from moisture, heat, and direct sunlight.