Evidence in one sentence: Both delivery systems are biologically plausible and supported by limited human biomarker or pharmacokinetic data, but neither has been proven superior for meaningful clinical outcomes
Many patients tolerate metformin well, but gastrointestinal side effectsincluding nausea, bloating, and diarrheaoccur in 1530% of users and can offset any weight loss benefits
"In those 20 years, I don't think anyone would have expected it to become as essential in everyone's day-to-day lives," said Ryan Fabbri, North Myrtle Beach city manager
Products applied to the skin rather than ingested also do not meet the FDA's regulatory definition of dietary supplements, placing herbal wellness patches in a distinct category with different oversight than both pharmaceutical drugs and oral supplements
Hormonal changes are changes in the levels of hormones that control different things in your body