““Probiotics are one of the best supplements you can take to avoid an intestinal imbalance. They strengthen the intestinal walls and manufacture vital nutrients. They also help the body to use nutrients and fight harmful microbes in the GI tract. Your body actually contains about ten times as many probiotic bacteria cells as it does human cells! You simply couldn't survive without these little creatures. Probiotics protect us from a number of health problems, including food allergies and skin problems. Probiotics also play a key role in the female reproductive system. Like the GI tract, the vagina contains and relies on a delicate ecosystem for optimal health. The Lactobacillus strains that populate the walls of the vagina make the environment too acidic for most intruders, thus protecting the vagina and the womb from infection. Just like the GI tract, however, this ecosystem can easily become disrupted by the exact same causes: antibiotics and stress. Spermicides and birth control pills can also cause an imbalance. Imbalances can usually be remedied with therapeutic doses of Lactobacillus acidophilus. When you buy probiotic supplements, it's important to know which strains of probiotic bacteria are in the supplement. Each strain and substrain offers its own unique benefits. The Lactobacillus and Bifidobacterium strains are found naturally in the human GI tract and offer countless health benefits. They're the most prevalent strains you'll find in supplements. Lactobacillus GG, sold as Culturelle, is the best studied. Bacillus subtilis is a wonderfully beneficial probiotic that does not occur naturally in humans but is found in many probiotic supplements. It's excellent at killing pathogens and unwanted microorganisms. If B. subtilis is on the ingredients list of your probiotic supplement, you have a gentle friend offering powerful protection. Probiotic supplements come in capsules and powders. They're alive yet dormant when you get them in this form and become active when exposed to warmth and moisture inside your body. Either form is fine, but it's critical to take them on an empty stomach (when your stomach acid levels are low). Even though they can live in the intestines, most probiotics don't survive stomach acid. Enteric-coated capsules help, too. During pregnancy, the advantage to taking probiotic supplements instead of fermented probiotic sources like kombucha, kefir, or yogurt is that the exact strains you're getting are tightly controlled. The cultures used in fermented foods aren't always tightly controlled, so you run the risk of ingesting organisms like yeasts, which produce toxins.””