Fish oil
Product
"Fish oils that are properly attended to. EPA, DHA, healthy fats, omega-3s are not a waste of money."
More source quotes
Mood, offsetting depression, metabolic, cardiovascular and cognitive health; aim for at least 1 g of EPA per day
"If I were to be asked what is the one supplement that is a single-ingredient supplement that serves the greatest role in increasing mental health, physical health, and performance... I would say it's going to be a high-quality omega-3 fatty acid, typically ..."
Skin, hair and nail health
"What is the one clearly clinically effective skin nutrient that I've used over and over again for skin, hair, and nails? It's omega-3s... we don't get a lot of wild food, which is where typically these omega-3s are. So I think it's important to supplement."