Answer
Nov 26, 2025 - 01:00 PM
Taking 1000mg of NAD (nicotinamide adenine dinucleotide) per day is not well-studied for safety, and such a high dose may cause side effects like nausea, fatigue, or liver issues. Most supplements use NAD precursors (like nicotinamide riboside or NMN) at lower doses. It's best to consult a healthcare professional before taking high doses of NAD or its precursors.
