Lactobacillus Acidophilus And Bulgaricus

Lactobacillus Acidophilus And Bulgaricus Benefits & Side Effects

The primary difference between Lactobacillus Acidophilus and Bulgaricus lies in their native environments and distinct characteristics. This comprehensive document will delve into a detailed discussion about their sources, benefits, potential side effects, interactions, and usage guidelines. By understanding this information, individuals can harness the unique benefits of Lactobacillus Acidophilus and Bulgaricus more effectively, optimizing their impact on overall health and well-being.


What Is Lactobacillus Acidophilus And Bulgaricus?

Lactobacillus Acidophilus and Lactobacillus bulgaricus are both types of bacteria that fall under the giant umbrella of the lactobacillus family. These bacteria are known as probiotics, beneficial organisms that promote health within the host organism [7].

Lactobacillus Acidophilus And Bulgaricus Benefits

Probiotics that include Lactobacillus Acidophilus and Bulgaricus are frequently combined with probiotic strains that enhance the growth and vitality of beneficial bacteria in the digestive system, providing distinct health advantages [5].

Lactobacillus Acidophilus and Bulgaricus are Lactobacillus strains that, beyond their well-known gut health benefits, confer several lesser-known advantages that contribute to overall well-being.

These strains play a vital role in synthesizing vitamins and enhancing nutrient absorption in the body, maximizing the benefits of consumed food. Another remarkable benefit is their ability to alleviate pain directly interacting with host cells [6].

In addition to their shared benefits, both Lactobacillus Acidophilus and Lactobacillus Bulgaricus offer additional effects:

  • Women are particularly intrigued by Lactobacillus Acidophilus due to its remarkable skin-protective and anti-aging properties [2, 3, 4].
  • While the available studies are limited, evidence suggests that lactic acid bacteria, particularly L. bulgaricus, may possess anti-cancer properties [1].

Lactobacillus Acidophilus And Bulgaricus Side Effects

There is no published research on the potential side effects of Acidophilus and Bulgaricus. While rare, there have been isolated reports of allergic reactions, including symptoms such as redness, itching, and difficulty breathing.
While generally safe to consume, Lactobacillus Acidophilus and Bulgaricus can interact with certain medications, specifically antibiotics and antifungal drugs.

Allergic reactions are rare side effects of Lactobacillus Acidophilus and Bulgaricus

How Should You Take Lactobacillus Acidophilus And Bulgaricus?

Lactobacillus Acidophilus and Bulgaricus can be consumed in various ways. They are naturally present in some dairy products, particularly yogurt, and thus can be easily incorporated into your daily diet.

However, if a higher dosage is needed or preferred, these probiotics come in supplement forms such as powders or capsules. The generally recommended daily dosage stands at around 3 billion CFU. It's essential to remember that the key to successful supplementation is regular intake. Try to keep consistency to get maximum benefits to your health.

Depending on personal preference and gastrointestinal tolerance, these supplements can be taken with or without food. The most important aspect is to ensure regular and ongoing consumption, allowing these beneficial bacteria to proliferate and exert their health effects.

What Happens If You Miss A Dose Of Lactobacillus Acidophilus And Bulgaricus?

If you miss a dose of Lactobacillus Acidophilus and Bulgaricus, there is no need to panic. These probiotics are generally safe, and missing a dose is only temporary.

If you realize you have missed a dose, promptly take it as soon as you remember and resume your regular supplementation schedule.

You should skip the missed dose if it's nearing your following scheduled supplementation. It's crucial to avoid doubling up on doses.

What Happens If I Overdose On Lactobacillus Acidophilus And Bulgaricus?

While it's unlikely to harm you, overdosing on Lactobacillus Acidophilus and Bulgaricus can lead to discomfort and digestive upset, such as bloating and diarrhea. If you accidentally take too much, do not double the dosage in subsequent intakes.

If you experience severe or persistent side effects, such as allergic reactions, immediately stop supplementation and consult a healthcare professional.


What Is the Difference Between Lactobacillus Acidophilus And Lactobacillus Bulgaricus?

The primary difference between Lactobacillus Acidophilus and Lactobacillus Bulgaricus lies in their fermentation pH and the environments in which they thrive. Lactobacillus Acidophilus prefers a more neutral pH environment of around 7.5, unlike Lactobacillus bulgaricus, which adapts to a slightly acidic pH, typically around 5.8 to 6 [8].


In conclusion, both Lactobacillus Acidophilus and bulgaricus are integral in promoting gut health and overall wellness. Despite their shared family, these probiotics exhibit distinct characteristics and benefits owing to their different native environments and fermentation pHs. Understanding these differences is critical to harnessing their benefits effectively. By carefully incorporating these probiotics into your daily routine, you can optimize their healthful impact and enhance your well-being.


[1] Gilliland, S. E. (1990). Health and nutritional benefits from lactic acid bacteria. FEMS Microbiology Letters, 87(1-2), 175–188.
[2] Im, A-Rang., Kim, H. S., Hyun, J. W., & Chae, S. (2016). Potential for tyndalized Lactobacillus acidophilus as an effective component in moisturizing skin and anti-wrinkle products. Experimental and Therapeutic Medicine, 12(2), 759–764.
[3] Im, A-Rang., Lee, B., Kang, D.-J., & Chae, S. (2018). Skin Moisturizing and Antiphotodamage Effects of Tyndallized Lactobacillus acidophilus IDCC 3302. Journal of Medicinal Food, 21(10), 1016–1023.
[4] Lim, H. Y., Jeong, D., Park, S. H., Shin, K. K., Hong, Y. H., Kim, E., Yu, Y.-G., Kim, T.-R., Kim, H., Lee, J., & Cho, J. Y. (2020). Antiwrinkle and Antimelanogenesis Effects of Tyndallized Lactobacillus acidophilus KCCM12625P. International Journal of Molecular Sciences, 21(5), 1620.
[5] Oliveira, R. P. de S., Torres, B. R., Perego, P., Oliveira, M. N. de, & Converti, A. (2012). Co-metabolic models of Streptococcus thermophilus in co-culture with Lactobacillus bulgaricus or Lactobacillus acidophilus. Biochemical Engineering Journal, 62, 62–69.
[6] Patten, D. A., & Laws, A. P. (2015). Lactobacillus-produced exopolysaccharides and their potential health benefits: a review. Beneficial Microbes, 6(4), 457–471.
[7] Sasaki, Ito, T., & Sasaki, Y. (1993). The complete genome sequence of Lactobacillus bulgaricus reveals extensive and ongoing reductive evolution. FEMS Microbiol. Rev, 12(24).
[8] Wheater, D. M. (1955). The Characteristics of Lactobacillus acidophilus and Lactobacillus bulgaricus. Journal of General Microbiology, 12(1), 123–132.
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Ralph S. Albert, with over 10 years of expertise in nutrition and research, now heads the Research division at Vinatura Supplements. His dedication and extensive knowledge ensure top-quality articles on nutrition and health, collaborating with a skilled team. He has successfully completed The VINATURA Expertise Research Training Program, underscoring his commitment to Vinatura's mission. Ralph has also published numerous articles and conducted valuable research in the field, making him a trusted resource for individuals on their wellness journey.

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