(“generative AI” OR “GenAI” OR “large language model” OR “LLM” OR “multi-agent system” OR “conversational AI” OR “variational autoencoder” OR “VAE” OR “generative adversarial network” OR “GAN” OR “diffusion model” OR “RAG” OR “ChatGPT” OR “Chatbot”) AND (“precision nutrition” OR “personalized nutrition” OR “individualized nutrition” OR “nutrigenomic” OR “nutritional genomic” OR “nutrigenetic”)