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.
Some may be surprised to know that toothpaste does have a shelf life. The ADA now requires any toothpaste containing fluoride to carry an expiration date. Typically it is two years after the manufacture date. Now, while using expired toothpaste may not be as bad as say, drinking expired milk, it is probably best not to use it past the expiration date.