July 29, 2004
Curious George: Does anyone know anything about how long typical multivitamins would last after their sell-by date / best-potency-by date has expired?
I just discovered that I've been taking once-a-days that expired in May 2001. Are they still of any actual use? They're obviously not hurting me (and they look fine) but I'm not sure whether or not I should finish off the bottle to save six bucks.
Spend the six bucks. The vitamins will have lost their potency by now.
On the other hand, a study of prescription medicines that had "expired" found that those tested had an average 90% potency after 10 YEARS.
EXCEPT FOR ANTIBIOTICS! If they reach the magic date, pitch em'.
If they have lost their potency, and you haven't been noticing the difference... maybe you don't actually need supplementary vitamins anyway??
Well it's always good to take them, and if they've got a significant fraction of their potency I'm still OK with that - there's nothing harmful about this, though......... right?
Put 'em in the fridge for two weeks and don't take them. You'll find out if they're working. I can't go a week without my multis and my B-supps. Wind up with a draggy butt.
Saggy's bad.
Draggy's worse.
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