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This means that it mimics the action of amylin, a hormone produced by the pancreas that makes people feel "satiety," or fullness, after eating a meal

December 5, 2025

The duration of results can vary, but many patients experience ongoing benefits with continued use under medical supervision

Involves needles, which some people dislike Injection site soreness or discomfort is possible Requires training or medical guidance Higher cost per dose Still lacks strong human clinical evidence NAD Nasal Spray vs Injection: Side-by-Side Comparison NAD nasal spray and NAD injections differ mainly in dose size, absorption speed, convenience, and cost