Yes! The manufacturer claims that this product is vegan, making it suitable for pescatarian eaters as well.

Is Life Extension Melatonin -- 300 mcg - 100 Vegetarian Capsules Pescatarian?

Yes! The manufacturer claims that this product is vegan, making it suitable for pescatarian eaters as well.
Pescatarian? Life Extension Melatonin -- 300 mcg - 100 Vegetarian Capsules | Spoonful