When Diet Trends Go Viral: Cutaneous Manifestations of Social Media-Driven Fad Diets and Supplements

The document highlights the dermatologic consequences of social media-driven fad diets and supplements, noting that platforms like TikTok and Instagram often spread nutrition misinformation. This can lead to skin issues such as rashes, alopecia, and dermatitis due to nutrient deficiencies or imbalances. Specific diets, like raw veganism and carnivore diets, can cause deficiencies leading to conditions like diffuse alopecia and brittle nails. Overuse of supplements, such as selenium and zinc, can also result in hair loss and skin changes. The review stresses the importance of clinicians recognizing these issues, taking accurate dietary histories, and providing evidence-based guidance. It advocates for improved digital health literacy and regulation to combat misinformation and prevent serious skin and systemic issues.