ThermoChrome 5000 expiration?

I've been cleaning out the drawers and found these trial packets of ThermoChrome 5000, a dietary supplement. That's something my mum might want to hold onto, but I'm not sure whether they might have expired. Some pills do. So, newly wondering if anyone might know.
Answers:
Check if that expire date if it's expire don't use them . The expire date usually find in table outside

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