NAD+:Although RARE, NAD+ does have some potential side effects. Here’s a list of some common, but not all of the possible side effects: nausea, fatigue, headaches, diarrhea, stomach discomfort. Precautions: Get medical help right away if any of these rare but very serious side effects occur: chest pain, slow/fast/irregular heartbeat, severe dizziness, fainting. If you experience …

Vitamin B1:You should not use thiamine if you have ever had an allergic reaction to it. Ask a doctor or pharmacist before taking thiamine if you have any medical conditions or if you are pregnant or breast feeding (your thiamine dose needs may be different during pregnancy). Side effects may include: a feeling of warmth, …

Precautions: Get medical help right away if any of these rare but very serious side effects occur: chest pain, slow/fast/irregular heartbeat, severe dizziness, fainting. If you experience this seek medical attention right away. It is not known whether any of this will harm an unborn baby.– Do not use without a doctor’s advice if you …

Glutamine:Rare but Possible Side Effects:Some common side effects may include but are not limited to:nausea, vomiting, stomach pain, gas, swelling in your hands or feet, muscle or joint pain, back pain, headache, dizziness, tired feeling, mild skin rash or itching, dry mouth, runny nose, increased sweating To make sure glutamine is safe for you, tell …