Drug and substance interactions: Both Phentermine and Semaglutide can lead to harmful interactions with monoamine oxidase inhibitors, weight loss stimulants like naltrexone or bupropion, alcohol, or adrenergic neuron-blocking drugs
Preclinical signals regarding potential effects on thyroid C-cells (observed with GLP-1 agonists as a class), as well as theoretical questions about bone metabolism and cardiovascular function, are being monitored in ongoing trials
Ibusuki, S
Glutathione is more focused on lightening dark spots and reducing melanin production, while niacinamide helps with skin texture, inflammation, and even pigmentation
And like any trend, there are bad actors trying to cash in
[1] The medication works through multiple mechanisms to promote weight reduction