How long does biotin last after expiration?

Biotin, like many supplements, may remain effective for a period after its expiration date, but its potency can decrease over time. Generally, it is recommended to use supplements within their expiration date for optimal efficacy. While some vitamins may still be safe to consume for a short time after expiration, it's best to check for changes in color, smell, or consistency before use. Always consult a healthcare professional if in doubt.