Overdosing on B vitamins may increase the risk of side effects and allergic reactions
It has undergone a lot of clinical testing (the STEP trial program included more than 4,500 people) that shows it works and is safe, which supports regulatory submissions in big countries
Participants saw rapid initial loss through weeks 4 to 12, peak velocity between weeks 12 and 24 (roughly 1.8 pounds per week), gradual slowing between weeks 24 and 36, and a plateau or near-plateau by weeks 44 to 48
Activation of central trigeminovascular neurons by cortical spreading depression
In contrast, retinol works deeper in the skin by increasing cell turnover and boosting collagen production, effectively treating acne, fine lines, and wrinkles
Talk to your doctor before starting any new supplement