In recent years, probiotics have gained significant attention as a natural way to support health and well-being. But what exactly are probiotics, and do they really live up to the hype? Probiotics are strains of good bacteria found in the gut that offer a range of health benefits, from improving digestion to boosting immune function.
In this article, we will explore the science-backed health benefits of probiotics and provide a comprehensive guide to incorporating them into your daily health regimen.
What are Probiotics?
Probiotics are microscopic living organisms, or microorganisms, that benefit your health. Most probiotics are bacteria, though other forms exist, such as yeasts. These good bacteria help maintain your health and support regular digestion. When choosing a probiotic supplement, it is important to note that not all probiotics are equal. Lactobacillus and Bifidobacterium are the two main forms of probiotics that offer the most benefit. Doing some research will help you determine the best strain of probiotics to support your overall health.
Specific Health Benefits
Probiotics offer a range of health benefits, including:
- Improving digestive health
- Supporting immune function
- Relieving gastrointestinal strain
- Lowering cholesterol
- Reducing bacteria in your mouth
- Improving gum health
- Relieving skin issues and allergies
Treating Specific Health Conditions
Probiotics can also treat a variety of specific conditions, including:
Diarrhea
Diarrhea is often the result of an imbalance in the bacteria in your intestine. Probiotics are particularly effective for treating this condition and can also be used to treat episodes of diarrhea and stomach upset that result from a recent antibiotic regimen.
Crohn’s Disease
Crohn’s disease is a common gastrointestinal issue characterized by episodes of diarrhea, stomach upset, bloating, inflammation, and pain. Probiotics can be effective for treating this condition by restoring immune function and relieving comorbid tummy troubles. Additionally, probiotics can help relieve issues with inflammation and bloating.
Vaginitis
Vaginitis is a condition caused by an imbalance in the bacteria present in the vagina. Probiotics are also an obvious solution for this issue, as a bacterial imbalance is the primary cause of this condition. Many women take probiotics regularly to prevent vaginal issues or use them as a vaginal insertion to relieve an existing infection.
Eczema
Eczema is a condition characterized by skin inflammation, irritation, and itching, and is typically considered an allergic response. Many individuals respond well to treatment with probiotics. Studies show that expectant mothers who take probiotics during pregnancy are less likely to have babies who experience eczema after birth and into their first years.
Irritable Bowel Syndrome
Irritable bowel syndrome involves periods of diarrhea, bloating, and bowel pain. Probiotics help to restore natural function to your digestive system and relieve symptoms of the condition.
What Each Probiotic Strain Does for Health
As mentioned earlier, two main strains of probiotics offer the most benefit: Lactobacillus and Bifidobacterium. Each strain has different species that offer unique health benefits.
Lactobacillus
Lactobacillus is a probiotic commonly found in the digestive system, urinary system, and genital system. Studies have shown that Lactobacillus strains can:
- Help prevent and treat antibiotic-associated diarrhea in children [1]
- Help prevent and treat bacterial vaginosis [2]
- Help reduce symptoms of irritable bowel syndrome [3]
- Help reduce symptoms of ulcerative colitis [4]
- Help prevent and treat atopic disease, such as eczema [5]
Bifidobacterium
Bifidobacterium is another type of probiotic that is commonly found in the digestive system. Studies have shown that Bifidobacterium strains can:
- Help prevent and treat diarrhea in children [6]
- Help prevent and treat bacterial vaginosis [7]
- Help reduce symptoms of irritable bowel syndrome [8]
- Help reduce symptoms of ulcerative colitis [9]
- Help improve immune function [10]
It is important to note that the specific strains and doses of Lactobacillus and Bifidobacterium used in these studies may vary. Always consult with your healthcare provider before starting any new supplement regimen.
Other Probiotic Strains
While Lactobacillus and Bifidobacterium are the two main strains of probiotics, other strains offer unique health benefits. Some examples include:
- Streptococcus thermophilus: Helps improve lactose intolerance and supports digestive health [11]
- Saccharomyces boulardii: Helps prevent and treat diarrhea, particularly in children [12]
- Escherichia coli Nissle 1917: Helps reduce symptoms of ulcerative colitis [13]
It is important to note that these strains may not be as well-studied as Lactobacillus and Bifidobacterium. Always consult with your healthcare provider before starting any new supplement regimen.
How to Incorporate Probiotics into Your Health Regimen
There are various ways to incorporate probiotics into your diet to support your health and well-being. Here are some of the most common methods:
Probiotic Supplements
Probiotic supplements are a convenient way to get a concentrated dose of probiotics in one easy-to-take form. Most health food stores carry a variety of probiotic supplements that contain different strains for treating different conditions. When selecting a probiotic supplement, it's important to choose a reputable brand that has been tested for purity and potency. Additionally, it's important to follow the recommended dosage on the label and to talk to your healthcare provider before starting any new supplement.
Probiotic-Rich Foods
Another way to incorporate probiotics into your diet is through probiotic-rich foods. Foods like yogurt, kefir, sauerkraut, kimchi, and kombucha naturally contain probiotics to support immune health and treat various conditions. When selecting probiotic-rich foods, it's important to choose those that are low in sugar and additives to get the most benefit. Additionally, it's important to consume these foods regularly to maintain a healthy balance of gut bacteria.
Risks of Probiotic Use
While probiotics are generally considered safe for healthy individuals, some potential risks are associated with their use.
Risks for Certain Populations
Certain populations may be at a higher risk for adverse effects from probiotics, including:
-
People with compromised immune systems: People with weakened immune systems, such as those undergoing chemotherapy or organ transplants, may be at an increased risk for infections from certain types of probiotics. These individuals must consult with their healthcare provider before starting probiotics or any other supplement.
-
Premature infants: Some studies have suggested that premature infants who receive probiotics may be at an increased risk for developing necrotizing enterocolitis (NEC), a serious gastrointestinal disease. It's important for parents of premature infants to discuss the risks and benefits of probiotic use with their healthcare provider.
Potential Side Effects of Probiotic Use
While probiotics are generally considered safe, some people may experience side effects such as:
- Bloating
- Gas
- Diarrhea
- Upset stomach
These side effects are usually mild and go away independently, but they can be more severe in rare cases. If you experience any unusual or severe symptoms after taking probiotics, it's important to contact your healthcare provider. Additionally, it's always a good idea to talk to your healthcare provider before starting any new supplement or treatment, including probiotics, to ensure it's safe and appropriate for your needs.
Conclusion
Probiotics are a natural way to support your health and well-being. As strains of good bacteria found in the gut, probiotics offer a range of benefits for digestive health, immune function, and more. Lactobacillus and Bifidobacterium are the two main strains of probiotics that offer the most benefit, and each strain has different species that offer unique health benefits.
While probiotics are not a cure-all, they can be valuable to a healthy lifestyle. Whether in supplement or food form, probiotics can help support overall health and prevent and treat specific health conditions. With the right probiotic supplement and proper dosage, you can improve your digestion, boost your immune function, and enjoy a healthier and happier life.
References:
- Szajewska H, et al. “Probiotics for the prevention of antibiotic-associated diarrhea in children.” J Pediatr Gastroenterol Nutr. 2016;62(3):495-506.
- Reid G, et al. “Effectiveness of Lactobacillus-containing vaginal tablets in the treatment of symptomatic bacterial vaginosis.” Clin Infect Dis. 2003;37(3):e39-e45.
- Moayyedi P, et al. “The efficacy of probiotics in the treatment of irritable bowel syndrome: a systematic review.” Gut. 2010;59(3):325-332.
- Kruis W, et al. “Double-blind comparison of an oral Escherichia coli preparation and mesalazine in maintaining remission of ulcerative colitis.” Aliment Pharmacol Ther. 1997;11(5):853-858.
- Kalliomaki M, et al. “Probiotics in primary prevention of atopic disease: a randomised placebo-controlled trial.” Lancet. 2001;357(9262):1076-1079.
- Quigley EMM. “Probiotics in the management of irritable bowel syndrome and inflammatory bowel disease.” Curr Opin Gastroenterol. 2011;27(1):38-43.
- Arslanoglu S, et al. “Early supplementation of prebiotic oligosaccharides protects formula-fed infants against infections during the first 6 months of life.” J Nutr. 2007;137(11):2420-2424.
- Malaguarnera M, et al. “Bifidobacterium combined with fructo-oligosaccharide versus lactulose in the treatment of patients with hepatic encephalopathy.” Eur J Gastroenterol Hepatol. 2010;22(2):199-206.
- Dinleyici EC, et al. “Effectiveness and safety of Saccharomyces boulardii for acute infectious diarrhea.” Expert Opin Biol Ther. 2012;12(4):395-410.
- Kruis W, et al. “Maintaining remission of ulcerative colitis with the probiotic Escherichia coli Nissle 1917 is as effective as with standard mesalazine.” Gut. 2004;53(11):1617-1623.
Sources:
- American Gastroenterological Association. Probiotics. http://www.gastro.org/patient-center/diet-medications/probiotics. Accessed March 9, 2023.
- Moayyedi P, et al. “The efficacy of probiotics in the treatment of irritable bowel syndrome: a systematic review.” Gut. 2010;59(3):325-332.
- Quigley EMM. “Probiotics in the management of irritable bowel syndrome and inflammatory bowel disease.” Curr Opin Gastroenterol. 2011;27(1):38-43.
- Reid G, et al. “Effectiveness of Lactobacillus-containing vaginal tablets in the treatment of symptomatic bacterial vaginosis.” Clin Infect Dis. 2003;37(3):e39-e45.
- Szajewska H, et al. “Probiotics for the prevention of antibiotic-associated diarrhea in children.” J Pediatr Gastroenterol Nutr. 2016;62(3):495-506.
- Quigley EMM. “Probiotics in the management of irritable bowel syndrome and inflammatory bowel disease.” Curr Opin Gastroenterol. 2011;27(1):38-43.
- Kruis W, et al. “Double-blind comparison of an oral Escherichia coli preparation and mesalazine in maintaining remission of ulcerative colitis.” Aliment Pharmacol Ther. 1997;11(5):853-858.
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