From: Nutritional considerations during prolonged exposure to a confined, hyperbaric, hyperoxic environment: recommendations for saturation divers
Avocado
Flax seeds
Dairy (e.g. milk and yogurts)
Chia seeds
Nut butter (e.g. peanut/almond)
Coconut oil
Olives
Pumpkin seeds
Oily fish (e.g. mackerel and salmon)
Almonds
Hummus
Walnuts