Acidophilus is a species of bacteria belonging to the Lactobacilli genus that is known to thrive within the gastrointestinal systems of healthy humans. Probiotics are microbes such as acidophilus that populate the intestines and ward off colonization by harmful pathogens. If you're considering using acidophilus, you're not alone. The University of Maryland Medical Center states that Lactobacillus acidophilus is used more commonly than any other probiotic.
Effects
The effects of probiotics are species specific. Not all probiotics deliver the same effects. Some strains of Lactobacillus have been shown to relieve diarrhea, gastric ulcers and colitis, but it's important to note that conclusive evidence linking acidophilus strains to these conditions has not been established. According to the Mayo Clinic, the strongest scientific evidence for the use of acidophilus concerns its use as a treatment for bacterial vaginosis. Vaginal suppositories containing Lactobacillus acidophilus are available for this purpose, and some evidence suggests that eating yogurt that contains Lactobacillus acidophilus may also be of benefit.
Sources
Lactobacillus acidophilus is found in some fermented milk products such as yogurt, though you must read the label to discern whether your brand contains this specific probiotic. Also be sure that the label states that your yogurt contains "live active cultures," as some processes, such as pasteurization, can kill probiotic bacteria and eliminate their beneficial effects. Food manufacturers are jumping on the probiotic bandwagon and fortifying their products with beneficial bacteria in such foods as cereal, granola bars and sauerkraut. Raw sauerkraut is a natural source of acidophilus. Probiotics are also available in supplements sold in natural food stores. Lactobacillus acidophilus supplements can come in tablet, capsule or liquid form. It is also available as vaginal or anal suppositories
Safety
Lactobacillus acidophilus is safe for most people, according to UMMC, but you should consult your doctor before taking it. It may cause side effects such as gas, diarrhea and upset stomach for those who take large dosages. If you have an artificial heart valve, you should not take acidophilus.
Dosages
Unlike vitamin supplement dosages that are indicated by weight in milligrams or micrograms, probiotic dosages are listed by the number of live cells they deliver. This is sometimes expressed on the label as CPUs or "colony forming units." Different strains are used in a variety of dosages depending on which health issue is being addressed. Consult the label on your probiotic product for dosage instructions.
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