Hawkins-Jarrett (2023)
Top 10 Benefits of IGF-1 LR3 for Women IGF-1 LR3 (Insulin-like Growth Factor 1 Long R3) is an analog of the natural growth factor IGF-1, modified for extended half-life and potency
Trials using around 1,200mg/day in divided doses showed modest but consistent improvements in memory and executive function among patients with mild cognitive impairment, Alzheimers, or post-stroke deficits.32 Some reviews also note benefits for mood symptoms (apathy, anxiety) alongside cognition.32 For healthy individuals, the benefits are more nuanced
Safety and regulation are uncertain, with insufficient clinical data, potential adverse reactions, and unapproved regulatory status
NAD functions most often in energy-producing reactions involving the degradation (catabolism) of carbohydrates, fats, proteins, and alcohol