The Best Natural Probiotic Nutritional Supplements of 2023

High-potency probiotic: Designed to promote a positive balance of microflora to support a healthy immune system and nutrient absorption

Double strength: Formulated with 12 gastric-resistant strains to deliver 24 billion CFU of live bacteria; Helps restore digestive wellness

Daily nourishment for intestinal health: Supports nutrient absorption and promotes normal immune system activity; Reduces the gastrointestinal effects of acute stress

Resilient strains: Formulated to include probiotic strains capable of surviving the acidity of the gastrointestinal system to support maximum absorption

Third-party certified: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency

SOURCE NATURALS FOS BENEFITS. This supplement is a complex of fructooligosaccharides, a group of naturally occurring carbohydrates that can help promote the growth of beneficial flora in the gastrointestinal tract.

SUGGESTED USE. 1 rounded teaspoon daily, mixed in water or juice as desired.

SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.

MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.

Acute probiotic support: Designed to promote a positive balance of microflora to support a healthy immune system, digestive strength and nutrient absorption

Extra strength: Formulated with 9 gastric-resistant strains to deliver a powerful concentration of 55 billion CFU of live bacteria; Supports acute digestive health needs

Indigestion relief: Encourages a healthy balance of gut bacteria to help reduce occasional gas, bloating and diarrhea

Resilient strains: Formulated with a powerful blend of gastric-resistant strains of bifidobacteria and lactobacilli chosen for maximum absorption and powerful GI support

Third-party certified: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency

Probiotic formula that integrates a blend of plant-sourced Omega Oils

Probiotics can help replenish, rebuild and nourish the intestinal flora to promote optimal digestive function*

Helps digestive health for both men and women

60 Liquid Softgels easy to swallow with quick release

Bundle includes a Irwin Naturals Pill Case

Probiotics are recommended for immune support, increased times of stress such as boarding, travel and new changes to the environment as well as when a pet has been placed on antibiotics.

Our Daily Probiotic does not contain wheat, corn or artificial ingredients. It comes in a tasty duck flavored chew that even finicky cats will love.

Daily Probiotic guarantees 100 million CFU’s to the gut and supports digestive regularity in cats of all ages.

Probiotics help normalize digestive functions to reduce gassiness, diarrhea, constipation and blockages.

All Pet Naturals products are veterinarian formulated, NASC approved and manufactured in the USA.

General support probiotic: Designed to promote a positive balance of microflora to support a healthy immune system and nutrient absorption

Moderate strength: Formulated with 12 gastric-resistant strains to deliver 12 billion CFU of live bacteria; Helps maintain digestive wellness

Daily nourishment for intestinal health: Supports nutrient absorption and promotes normal immune system activity; Reduces the gastrointestinal effects of acute stress

Resilient strains: Formulated to include probiotic strains capable of surviving the acidity of the gastrointestinal system to support maximum absorption

Third-party certified: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency

Daily probiotic includes Prebiotics to support a gut environment where probiotic cultures and colonies can thrive.

Probiotics may help with gassiness, flatulence, bad breath and elimination issues in pets. A daily probiotic can also promote a healthy coat, digestive regularity and general immune system support.

Recommended for dogs that suffer environmental, breed specific digestive issues, nervous digestive issues or those that are currently on an antibiotic.

Daily probiotic is free of corn, wheat and artificial ingredients that may cause stomach upset. Each bottle contains 160 duck flavored chews.

All pet Natural’s of Vermont products are manufactured in the USA and distributed from our offices in the Green Mountains of Vermont.

Age range description: All Stages

IMPROVED HEALTH: Because Animals superfood and probiotic supplement for dogs contains vitamins, minerals, antioxidants, fatty acid and more for complete wellness support. Your dog benefits from better digestion, improved immunity, healthier skin and coat.

ALL-NATURAL: Premium-quality human-grade ingredients in the superfood supplement are carefully chosen to pack a nutritional punch. A blend of seaweed, blueberries, pumpkin, turmeric, wheatgrass and coconut quickly work to enhance your dog’s overall health.

EASY TO USE: You don’t have to switch foods to get more nutrition! Simply sprinkle the superfood supplement on your dog’s food once daily at meal time. If feeding wet food, mix directly in. If feeding dry food, mix with a small amount of water.

ECO-FRIENDLY PACKAGING: Because Animals believes pet food should not contribute to climate change, growing landfills or polluting our air and water. That’s why all of our packaging is either biodegradable or compostable.

FEEDING TIP: Dog’s love this nutrient-rich addition to their diet! When first starting to use, feed your dog half the recommended amount for one week before transitioning to the full amount indicated for your dog’s weight.

Age range description: All Life Stages

PROVEN EFFECTIVE – Culturelle Pro-Well Health & Welness Daily Probiotic Capsules are powered by Lactobacillus rhamnosus (LGG). LGG is the proven effective and clinically studied probiotic strain. Supports your natural immune defenses.*

DAILY IMMUNE AND DIGESTIVE HEALTH* – LGG works naturally with your body to help restore the natural balance of good bacteria in your digestive tract, where 70% of the immune system resides.* Balancing the bacteria in the intestines not only helps optimize your immune system and supports your natural defenses, but also helps your digestive system work better.*

NO REFRIGERATION REQUIRED –Every package of Culturelle meets the highest standards for purity and potency when consumed - not just when we make it. To preserve the billions of CFU’s (colony-forming units) in your Culturelle, store it in a cool, dry place away from direct sunlight.

SAFE AND EFFECTIVE – Over 1,000 scientific studies and 30 years of research have demonstrated the safety and efficacy of LGG probiotics. Culturelle is vegetarian and contains no gluten≠, milk, soy, wheat or preservatives.

PROBIOTIC POWER – The doctors that discovered LGG found that it is strong enough to survive stomach acids and successfully set up shop in the intestines. Culturelle Pro-Well is powered by 15 billion CFU’s of LGG

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.