Gut Microbiome & Probiotics

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Nordic Flora Probiotic Daily, 12 Billion CFU, 60 Capsules ,
Nordic Naturals Nordic Flora Probiotic Daily, 12 Billion CFU, 60 Capsules
$25.46 $29.95
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Nordic Flora Probiotic Comfort, 30 Capsules ,
Nordic Naturals Nordic Flora Probiotic Comfort, 30 Capsules
$33.96 $39.95
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Practitioner Brand
Poly-Prebiotic powder, 4.9 Oz (138 g) Powder , Brand_Pure Encapsulations Emersons
Pure Encapsulations Poly-Prebiotic powder, 4.9 Oz (138 g) Powder
$44.00
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Practitioner Brand
Probiotic 123, 2.82 Oz (80 g) Powder , Brand_Pure Encapsulations Emersons
Pure Encapsulations Probiotic 123, 2.82 Oz (80 g) Powder
$18.70
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Practitioner Brand
Probiotic G.I., 60 Capsules , Brand_Pure Encapsulations Emersons
Pure Encapsulations Probiotic G.I., 60 Capsules
$46.00
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Practitioner Brand
Probiotic IMM, 60 Capsules , Brand_Pure Encapsulations Emersons
Pure Encapsulations Probiotic IMM, 60 Capsules
$43.00
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Fortify™ Men's Probiotic + Prebiotic, 30 Billion CFU, 30 Vegetarian Capsules ,
Nature's Way Fortify™ Men's Probiotic + Prebiotic, 30 Billion CFU, 30 Vegetarian Capsules
$23.99
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Fortify™ Optima® Women's Probiotic, 50 Billion, 30 Vegetarian Capsules ,
Nature's Way Fortify™ Optima® Women's Probiotic, 50 Billion, 30 Vegetarian Capsules
$37.79
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Practitioner Brand
Metagenics MetaKids™ Probiotic, 120 Tablets
$58.00
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Dr. Formulated PROBIOTICS Mood+, 50 Billion CFU, 60 Vegetarian Capsules , 20% Off - Everyday [On]
Garden of Life Dr. Formulated PROBIOTICS Mood+, 50 Billion CFU, 60 Vegetarian Capsules
$37.59 $46.99
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Practitioner Brand
Multi-Probiotic®, 15 Billion CFU, 60 Vegetarian Acid-Resistant Capsules ,
Douglas Laboratories Multi-Probiotic®, 15 Billion CFU, 60 Vegetarian Acid-Resistant Capsules
$55.00
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Practitioner Brand
MetaKids™ Baby Probiotic, 19 oz , Brand_Metagenics Form_Powder Size_19 Oz
Metagenics MetaKids™ Baby Probiotic, 19 oz
$40.24
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Kids Care Probiotic, 30 Chewable Wafers , Brand_Country Life Form_Chewable Wafers Size_30 Chewables
Country Life Kids Care Probiotic, 30 Chewable Wafers
$12.79 $15.99
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Fortify™ Optima® 35 Billion Probiotic, 30 Veg Capsules , Brand_Nature's Way Form_Veg Capsules Size_30 Caps
Nature's Way Fortify™ Optima® 35 Billion Probiotic, 30 Veg Capsules
$30.99
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Your gut microbiome — trillions of bacteria, fungi, and microorganisms living in your digestive tract — influences immunity, mood, metabolism, skin, and even brain function. Our gut microbiome and probiotic supplements collection covers the full spectrum of digestive and microbiome optimization, from targeted probiotic strains to prebiotic fibers and postbiotic compounds.

What is the gut microbiome and why does it matter? The gut microbiome is now considered a virtual organ — producing neurotransmitters (95% of serotonin originates in the gut), regulating immune responses, synthesizing vitamins, and communicating directly with the brain via the gut-brain axis. Dysbiosis (microbial imbalance) is linked to IBS, anxiety, obesity, autoimmunity, and more.

Gut microbiome supplement essentials:

  • Multi-strain probiotics (50B+ CFU) — diverse strains including Lactobacillus, Bifidobacterium, and Saccharomyces boulardii for comprehensive gut flora restoration
  • Prebiotics — inulin, FOS, GOS, and resistant starch that feed beneficial bacteria; essential partner to any probiotic protocol
  • Postbiotics (Urolithin A, tributyrin) — metabolites produced by gut bacteria with direct cellular health benefits; newest frontier in microbiome science
  • Spore-based probiotics (Bacillus subtilis) — heat-stable, survive stomach acid; dramatically increase diversity of commensal bacteria
  • L-Glutamine — primary fuel for intestinal epithelial cells; supports leaky gut healing and mucosal integrity
  • Digestive enzymes — support breakdown of proteins, carbohydrates, and fats when stomach acid or enzyme production is low

Peach Vitamins carries the most clinically studied microbiome brands: Jarrow, Klaire Labs, Garden of Life, NOW Foods, and Metagenics — with expert nutritional guidance since 1999.