Supporting a wealth of wildlife, the mangroves are a unique habitat. Mangroves are like botanical amphibians, and form some of the most productive ecosystems on Earth. They provide food, shelter, firewood and construction materials that have been harvested sustainably for thousands of years.
Check the expiration date on your vitamin supplements for the first indication of how long they'll last. Vitamin supplements typically bear an expiration date of a year or so from the time they're manufactured. If you store them properly, they should stay potent for at least this long. After the expiration date, you can still expect to use them without harm, but there's no guarantee on potency.
Yes medical research has shown that Zantac (Ranitidine) is still  effective up to 1.5 years after expiration date. After that it  begins to lose some of its potency. Like caâ¦nned food with  expiration dates as long as the package is sealed and properly  stored it lasts well beyond the expiration date.