Critical Care Probiotic 55 Billion - 2 SIZES AVAILABLE

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Restores intestinal balance

Natural Factors Critical Care Probiotic 55 Billion Active Cells contains nine Bifidobacteria and Lactobacilli species for acute targeted support of both the small and large intestines. It restores beneficial bacteria lost through antibiotic use and enhances immune health. This formula offers significant protection from bacterial infection, yeast overgrowth, and digestive discomfort.

Uses & Benefits

  • Provides maximum support for acute digestive health needs
  • Restores and maintains healthy, balanced intestinal flora
  • Combats antibiotic-associated digestive discomfort
  • Supports GI intestinal integrity to help prevent or repair “leaky gut” syndrome
  • Enhances immune system activity and reduces inflammation
  • Limits growth of putrefactive and pathogenic bacteria

Feature Summary

Natural Factors Critical Care Probiotic 55 Billion Active Cells is a 9-strain formula that includes five strains of Bifidobacteria and four strains of Lactobacilli, providing powerful support for gastrointestinal and immune system health. This potent formulation includes L. paracasei, L. rhamnosus, L. acidophilus, L. plantarum, and B. bifidum, proven to help eliminate or reduce the growth of methicillin-resistant Staphylococcus aureus (MRSA), and to lower incidence of Clostridium difficile-associated diarrhea.

This multistrain formula can quickly restore the diversity of microflora after antibiotic use, with L. acidophilus particularly helpful in counteracting antibiotic-associated diarrhea, abdominal cramps, and constipation.

The probiotic strains L. paracasei, L. acidophilus, B. animalis subsp. lactis, B. bifidum, and B. longum have been shown to help reduce the production of pro-inflammatory substances and to alleviate the gastrointestinal effects of psychological stress. Reducing inflammation can help in the management of irritable bowel syndrome (IBS) and food intolerances. Beneficial gut bacteria also play a role in the prevention and management of yeast overgrowth and urinary tract infections.

Each strain in this formulation has been carefully selected for its natural resistance to gastric acid, allowing the probiotics to reach the intestines at full potency. Critical Care Probiotic 55 Billion Active Cells has a guaranteed potency of 95 billion active cells per capsule at manufacture and at least 55 billion at expiry.


Medicinal Ingredients

Each vegetarian capsule contains:
55 billion active cells* of the following specially cultured strains of probiotics:

Bifidobacterium breve (HA-129) (whole cell) (human) 20 %  11 billion cfu

Bifidobacterium longum subsp. longum (HA-135) (whole cell) (human) 20 %  11 billion cfu

Lactobacillus paracasei (HA-196) (whole cell) (dairy) 15 %  8 .25 billion cfu

Lactobacillus plantarum (HA-119) (whole cell) (plant) 15 %  8 .25 billion cfu

Lactobacillus acidophilus (HA-122) (whole cell) (human) 10 %  5 .5 billion cfu

Lactobacillus rhamnosus (HA-111) (whole cell) (human) 10 %  5 .5 billion cfu

Bifidobacterium animalis subsp. lactis (HA-194) (whole cell) (dairy) 5 %  2 .75 billion cfu

Bifidobacterium bifidum (HA-132) (whole cell) (human) 4 .5 %  2 .475 billion cfu

Bifidobacterium longum subsp. infantis (HA-116) (whole cell) (human) 0 .5 %  0 .275 billion cfu

cfu: colony forming units

*Critical Care Probiotic 55 Billion Active Cells has a guaranteed potency of 95 billion active cells per capsule at manufacture and at least 55 billion at expiry.


Non-medicinal ingredients

Vegetarian capsule (carbohydrate gum [cellulose], purified water), potato starch, vegetable grade magnesium stearate (lubricant), ascorbic acid.

Contains no artificial colours, preservatives, or sweeteners; no sugar, wheat, gluten, corn, egg, fish, shellfish, salt, tree nuts, or GMOs. May contain traces of milk and/or soy. Suitable for vegetarians.