It is generally not recommended to take fish oil or omega-3 supplements on an empty stomach as it can cause gastrointestinal discomfort, such as nausea or indigestion. Fish oil is best taken with food to aid absorption.
Vitamin C, on the other hand, can be taken on an empty stomach without issues, but it is still preferable to take it with meals to prevent any potential stomach upset.
For a more personalized recommendation and to ensure the best approach to supplementation, it's best not to skip breakfast and take these supplements after a meal.
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