The expiration date is December 2025. This is an additive-free supplement containing "Ishigaki Island Euglena," a superfood that includes 59 essential nutrients for health and beauty. It is particularly rich in euglena, which allows you to get a balanced intake of 59 nutrients, including vitamins, minerals, DHA, and EPA. This euglena, along with its excellent dietary fiber paramylon, the original formulation of barley β-glucan, and nano-sized helper lactic acid bacteria, provides a triple-action effect to support a favorable internal environment for beneficial bacteria. There is research data suggesting that euglena is best consumed with lactic acid bacteria, making this a perfectly balanced combination.