there is no supplement. just make sure you eat healthy. and why have you not introduced weaning for your child yet? are you feeding your child any other food items?
Yes, stress can cause heart palpitations because when you are stressed, your body releases a hormone called adrenaline which makes your heart beat faster. But, it could be something else too like too much caffeine or alcohol, certain medications, asthma inhalers, dehydration and other health issues.....