10 Best Acid Resistant Capsules of December 2025

• THE WORLD’S FIRST AND ONLY PROBIOTIC KIDNEY SUPPLEMENT: Renadyl is formulated with all-natural strains of specific beneficial bacteria (probiotics) that have an affinity for uremic toxins like urea, creatinine, uric acid, and several other nitrogenous waste products*. Kidneys that don’t function properly are unable to filter the uremic and nitrogenous toxins.
• PATENTED SUPPORT YOUR KIDNEYS DESERVE: With the gut microbiome and intestinal flora metabolizing the uremic toxins as nutrients, kidneys don’t have to work as hard; effectively helping them maintain their current function in conjunction with the standard care of therapy.
• CLINICALLY-TESTED AND SCIENTIFICALLY VALIDATED: Renadyl has undergone rigorous pilot studies, clinical trials, and customer surveys to verify its potential to help maintain kidney function.
• ALL-NATURAL FORMULATION: 100% natural, Non-GMO, Sugar-Free, Gluten-Free, Vegetarian, and Lactose Casein-Free to fit even the strictest diets.
• PRODUCT OF THE USA: Headquarter near Philadelphia PA. Direct from the Manufacturers of Renadyl. Look for Shipped/Sold from: Kibow (Kibow Biotech Inc.)

Kibow

• Weight Management: A unique benefit to FloraMend Prime Probiotic is the research on this proprietary blend’s benefit for weight management, waist circumference, or body mass index (BMI)*
• Whole Body Wellness: Your digestive health, immune function, and your outlook are dependent on the health of your gut – support your gut and much more with FloraMend Prime Probiotic*
• GI Upset: Perfect for individuals who experience occasional diarrhea, constipation, or both*
• Protective Capsule: Delivered in an acid-resistant and moisture-resistant capsule, helping ensure the live bacteria make it past your stomach and into your lower GI tract*
• Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

Thorne Research

• 𝐍𝐄𝐖 𝐋𝐎𝐎𝐊! Same Powerful Formula! Power Probiotic 100B helps maintain a healthy intestinal microecology. It's a potent probiotic that replenishes a healthy GI microflora, relieves occasional bloating and GI discomfort. These live microorganisms have proven health benefits and well-established safety, and have been tested for epithelial cell adhesion and/or resistance to low pH.
• 𝐏𝐑𝐎𝐕𝐈𝐃𝐄𝐒: 100 Billion CFU per vegetable capsule. Four researched strains of beneficial bacteria - HOWARU (*Bifidobacterium lactis HN019, Lactobacillus acidophilus (Lactobacillus acidophilus La-14), Lactobacillus plantarum (Lactobacillus plantarum Lp-115), Bifidobacterium longum (Bifidobacterium longum Bl-05) *includes the extensively studied HN019 strain of Bifidobacterium lactis.
• 𝐒𝐔𝐏𝐏𝐎𝐑𝐓𝐒: Balance of healthy flora during/post-antibiotic therapy, lactose tolerance/digestion, natural immune response and bowel regularity.
• 𝐀𝐂𝐈𝐃 𝐑𝐄𝐒𝐈𝐒𝐓𝐀𝐍𝐓 𝐂𝐀𝐏𝐒𝐔𝐋𝐄𝐒: Are used to further support resistance to low pH and the delivery of microorganisms to the small intestines, Power Probiotic 100B employs DRcaps gastro-resistant capsules. These specially designed, innovative capsules help slow exposure of actives to stomach acid and ensure more targeted release.
• 𝐃𝐎𝐄𝐒 𝐍𝐎𝐓 𝐂𝐎𝐍𝐓𝐀𝐈𝐍: Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, & artificial flavors. Manufactured in the USA in a GMP-certified facility, for guaranteed quality and potency.

Pure Therapro Rx

• Immune Health: Offers a synbiotic blend of 16 strains that help to support immune health by balancing intestinal microflora.*
• Shelf Stable: This formula is shelf stable and does not require refrigeration to maintain culture viability.
• Digestive: Our digestive formulas are developed to support G.I. health and its highly complex ecosystem.*
• Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
• For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*

Douglas Laboratories

• High Potency & Strain Diversity - Our formula has a whopping 30 billion CFU of 15 strains of the best probiotics, including Lactobacillus Reuteri, Lactobacillus Gasseri, & Lactobacillus Acidophilus.
• Patented Vegetarian Acid Resistant Capsules - Specially designed to resist stomach acid and ensure proper delivery of the probiotics & prebiotic to your intestinal tract
• Supports Digestive Function - Adding more good bacteria helps support a healthy bacterial balance in your digestive tract.
• No Refrigeration Necessary - Shelf stable to maintain live probiotics & prebiotic at varying temperatures.
• Manufactured in the USA at a cGMP certified facility with NO wheat, gluten, soy, milk, egg, fish, or tree nuts.

1 Body

• ★Made in New York, USA★ NewRhythm 50 Billion Probiotics is made in a Facility Based in New York, USA. Our Facility is GMP Certificated, which Represent the Highest Level of Technology, Quality Purity and Consistency.
• ★50 Billion 20 Strains Targeted Release Formula★ NewRhythm 50 Billion Probiotics Capsules is Scientifically Backed and Clinically Proven, Formulated by Doctor with 50 Billion Living Organisms Per Serving, Featuring Targeted Release Technology to Help Probiotics Survive Stomach Acids and Reach Your Intestinal Track. Organic Prebiotics Fiber is also Included In the Formula.
• ★Potent and Pure for Your Digestive Health and Immune Health*★ Our All Natural Probiotics Provides Support For the Establishment and Maintenance of Favorable Intestinal Flora. Gives You Powerful Support for Healthy Digestion and Balanced Intestinal Ecology. Our Products are Shelf Stable that Does NOT Require Refrigeration.
• ★100% Natural, Non-GMO, Gluten Free★ NewRhythm 50 Billion Probiotics is Formulated with 100% Natural Ingredients and Independently Tested in 3rd Party Labs in USA. Our Probiotics Supplement is Verified NON-GMO, Gluten Free and Verified Free of Sugar, Soy, Yeast, Egg, Wheat, Corn, Peanuts, Fish, Shellfish, Magnesium Stearate, Artificial Ingredients, Fillers, Binders, Preservatives.
• ★100% Satisfaction Guaranteed★ We stand behind our products with confidence. If in anyway you are not completely satisfied with our products, please let us know in 30 days, we will give you money back.

NewRhythm

• 𝐍𝐄𝐖 𝐋𝐎𝐎𝐊! Same Powerful Formula! Power Probiotic Daily helps maintain a healthy intestinal microecology. It's a potent probiotic that replenishes a healthy GI microflora, relieves occasional bloating and GI discomfort. These live microorganisms have proven health benefits and well-established safety, and have been tested for epithelial cell adhesion and/or resistance to low pH.
• 𝐏𝐑𝐎𝐕𝐈𝐃𝐄𝐒: 30 Billion CFU per vegetable capsule. Four researched strains of beneficial bacteria - HOWARU (*Bifidobacterium lactis HN019, Lactobacillus acidophilus (Lactobacillus acidophilus La-14), Lactobacillus plantarum (Lactobacillus plantarum Lp-115), Bifidobacterium longum (Bifidobacterium longum Bl-05) *includes the extensively studied HN019 strain of Bifidobacterium lactis.
• 𝐒𝐔𝐏𝐏𝐎𝐑𝐓𝐒: Balance of healthy flora during/post-antibiotic therapy, lactose tolerance/digestion, natural immune response and bowel regularity.
• 𝐀𝐂𝐈𝐃 𝐑𝐄𝐒𝐈𝐒𝐓𝐀𝐍𝐓 𝐂𝐀𝐏𝐒𝐔𝐋𝐄𝐒: Are used to further support resistance to low pH and the delivery of microorganisms to the small intestines, Power Probiotic Daily employs DRcaps gastro-resistant capsules. These specially designed, innovative capsules help slow exposure of actives to stomach acid and ensure more targeted release.
• 𝐃𝐎𝐄𝐒 𝐍𝐎𝐓 𝐂𝐎𝐍𝐓𝐀𝐈𝐍: Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, & artificial flavors. Manufactured in the USA in a GMP-certified facility, for guaranteed quality and potency.

Pure Therapro Rx

• DELAYED RELEASE (>30 minutes)ENTERIC CAPSULES: PurecapsUSA acid-resistant (enteric) vegetarian capsules are easy to swallow and designed to break down in the small intestine where the pH is higher, thereby alleviating potential irritation to the stomach.
• PURE INGREDIENTS: PurecapsUSA pharmaceutical-grade all-vegetarian (vegan) capsules are made only from vegetable cellulose (derived from either pine or poplar) and purified water. PurecapsUSA HPMC (Hypromellose) vegetarian capsules are Kosher and Halal certified, and contain no corn, wheat, gelatin, animal by-products or starches.
• SAFE AND EASY - Make your own supplements with pure, natural ingredients.
• A Size 0 capsule can be filled with up to 680 mg of powder, depending powder density. Typical fill weight is approximately 475 mg using a density of .70.
• SATISFACTION GUARANTEED- We stand behind our products and our high standards of customer service.

PureCaps USA

• DELAYED RELEASE: PurecapsUSA acid-resistant vegetarian capsules are easy to swallow and designed to break down in the small intestine where the pH is higher, thereby alleviating potential irritation to the stomach.
• PURE INGREDIENTS: PurecapsUSA pharmaceutical-grade all-vegetarian (vegan) capsules are made only from vegetable cellulose (derived from either pine or poplar) and purified water. PurecapsUSA HPMC (Hypromellose) vegetarian capsules are Kosher and Halal certified, and contain no corn, wheat, gelatin, animal by-products or starches.
• SAFE AND EASY - Make your own supplements with pure, natural ingredients.
• A Size 00 capsule can be filled with up to 950 mg of powder, depending powder density. Typical fill weight is approximately 665 mg using a density of .70.
• SATISFACTION GUARANTEED- We stand behind our products and our high standards of customer service.

PureCaps USA

• DELAYED RELEASE (>30 minutes) CAPSULES: PurecapsUSA acid-resistant delayed release vegetarian capsules are easy to swallow and designed to break down in the small intestine where the pH is higher, thereby alleviating potential irritation to the stomach.
• PURE INGREDIENTS: PurecapsUSA pharmaceutical-grade all-vegetarian (vegan) capsules are made only from vegetable cellulose (derived from either pine or poplar) and purified water. PurecapsUSA HPMC (Hypromellose) vegetarian capsules are Kosher and Halal certified, and contain no corn, wheat, gelatin, animal by-products or starches.
• SAFE AND EASY - Make your own supplements with pure, natural ingredients.
• A Size 1 capsule can be filled with up to 500 mg of powder, depending powder density. Typical fill weight is approximately 350 mg using a density of .70.
• SATISFACTION GUARANTEED- We stand behind our products and our high standards of customer service.

PureCaps USA