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Gut Instinct™

WhatToTrustTM Score
12.5345678910

Hum Nutrition

Last updated: Nov 12, 2025

25 Billion CFU potent probiotic blend with 10 strains to support a balanced gut microbiome and healthy digestion.*

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ingredients

Gut Instinct™ Ingredients*

We only evaluate bioactive ingredients—the ones that truly contribute to a product's performance. Below is a list of bioactive ingredients found in this product.

For each ingredient, the quantity in parentheses indicates the amount per serving.

Lactobacilus acidophilus, Bifidobacterium lactis (UABla-12), Lactobacilus plantarum, Bifidobacterium longum, Lactobacilus paracasei (Lpc-37), Lactobacilus rhamnosus, Streptococcus thermophilus, Bifidobacterium breve, Lactobacilus salivarius, and Lactobacilus casei

Lactobacillus acidophilus, or L. acidophilus, is a type of bacteria that naturally lives in the human gut, mouth, and vagina. It's a probiotic meaning it's considered a "good" bacteria that can help maintain a healthy balance in your body. It is often used to help with various conditions, including: Diarrhea (especially from antibiotics), Bacterial vaginosis (a vaginal infection), Irritable bowel syndrome (IBS), Lactose Intolerance.

Bifidobacterium lactis UABla-12 is a probiotic strain that has been studied for its potential benefits in digestive and immune health. It is a type of bacteria that is naturally found in the human gut.

Lactobacillus plantarum is a type of bacteria that lives in the human digestive system. It is also found in some fermented foods, such as yogurt, sauerkraut, and kimchi. L. plantarum is a probiotic, which means that it can help to improve human health.

Bifidobacterium longum is a type of probiotic, which is a live microorganism that, when consumed in adequate amounts, can offer various health benefits. It's a type of bacteria that is naturally found in the human gut, particularly in infants.

Lactobacillus paracasei (Lpc-37) is a probiotic strain that has been studied for its potential health benefits. Some studies suggest that it may help to improve gut health, reduce stress and anxiety, and boost the immune system.

Lactobacillus rhamnosus is a type of probiotic bacteria that is found in the human gut. It is also found in some fermented foods, such as yogurt and kefir. L. rhamnosus is one of the most widely studied probiotic strains, and it has been shown to have a number of health benefits.

Streptococcus thermophilus is a type of probiotic ("good" bacteria) found in the digestive tract. It produces lactic acid in the gut. "Good" bacteria such as S. thermophilus can help break down food, absorb nutrients, and fight off "bad" organisms that might cause diseases. S. thermophilus is commonly used to produce fermented dairy foods such as yogurt.

Bifidobacterium breve is a type of probiotic, which means it's a "good" bacteria that can live in your gut. It's one of the most common types of bacteria found in the intestines of infants, and it's also found in the vagina.

Lactobacillus salivarius is a probiotic bacteria that is naturally found in the human body, particularly in the gastrointestinal tract, mouth, and vagina. It's also present in some fermented foods.

Lactobacillus casei is a species of bacteria that is commonly found in the human gut. It is a type of probiotic, that has been shown to be effective in treating a variety of conditions, including diarrhea, constipation, and irritable bowel syndrome.

*These product and ingredient description statements have not been evaluated by the Food and Drug Administration (FDA). This product or its ingredients are not intended to diagnose, treat, cure or prevent any disease.

Product description and ingredient list are obtained from the product's brand/company website. Ingredient description is provided by our expert.

WhatToTrustTM scores are based on ingredient quality tests as well as pre-clinical and clinical testing to ensure that a product is scientifically developed and manufactured.

Breakdown of WhatToTrustTM Score for this product

WhatToTrustTM Science Score

2.5/10

Ingredient Quality Testing (Batch-to-Batch Testing)

Identity and Potency Testing
yes
Purity/Contaminant Testing
yes

Ingredient Validation Testing

Ingredient Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Ingredient Validation Pre-clinical Testing and Certification
no
Ingredient Clinical Trial/Testing
yes - (Partial. Product website does not mention clinical trial, but some similar ingredients 've been clinically tested.)
Borrowed Science
yes

Product Validation Testing

Product Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Product Validation Pre-clinical Testing and Certification
no
Product Clinical Trial/Testing
no
Borrowed Science
no
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