We Asked 12 RDs Which Probiotics Are the Best for Weight Loss: Their Answers, Revealed

These Culturelle capsules are also packaged with a special desiccant (a drying agent that is made of materials like silica gel or calcium oxide) lining to absorb moisture and protect the viability of the live bacteria present. Culturelle probiotics are audited regularly by NSF International, a reputable third-party testing company that certifies a supplement’s quality and safety. They are also produced in compliance with the FDA’s Current Good Manufacturing Practices (CGMP), which ensures that the highest quality control measures are met. The brand is also well respected within the healthcare community for its high-quality ingredients, manufacturing processes, and stringent product testing.

The Garden of Life brand is doctor-formulated and third-party-tested by NSF, one of the most reputable third-party testing bodies. If you’re looking for help maintaining a healthy weight during menopause, this product is a quality option.

This supplement also contains vitamin B12, which may help break down food to ease digestion. Promoting optimal digestion and absorption of food after meals can also help you feel more full and satisfied, which can support weight loss. It’s important to note this probiotic is not third-party tested, but the manufacturer states that they complete DNA testing to confirm the identity and quality of their products.

This product is also unique in that the probiotic strains have been identity-verified using DNA fingerprinting technology, ensuring accuracy in labeling. “I recommend NOW Foods Probiotic-10 for its variety of live probiotic strains that are known to naturally thrive in the digestive tract,” says Gaw. She notes that NOW Foods supplements are among her favorites to recommend, since they are CGMP certified and, therefore, trusted for potency and stability.

However, some customers noted that the product may be delivered too warm, which could affect the viability of the bacteria it contains. To reduce this risk, it’s best to try to be home when the product is delivered, so that you can quickly transfer the bottle to a cool, dry place. It is also dairy-free, soy-free, and gluten-free.

We appreciate that this supplement is third-party tested and Clean Label Project Certified, a rigorous testing and certification program that ensures that the highest purity and quality standards are met. It’s also low FODMAP–certified, which means it’s low in certain carbohydrates, or FODMAPs, that can trigger digestive upset in those with gastrointestinal conditions like IBS. “For those with IBS, Visbiome provides strains of lactic acid bacteria specifically studied to reduce symptoms and rebuild the gut microbiome,” says Caitlin Beale, RDN, owner of Caitlin Beale Wellness in San Francisco.

This product contains milk and lactose, however, so it’s not suitable for people with lactose intolerance or a milk allergy. It’s also important to note that to maintain its potency, this probiotic needs to be refrigerated. Since it has a much higher potency than the others on our list, the manufacturer considers it a medical food that should only be used under direct medical supervision.

The website’s signup process is simple and straightforward. You can sign up for a monthly subscription of probiotics, plus other supplements that may be recommended for you based on your health goals. Ritual supplements are third-party tested, and the company employs a scientific advisory board composed of medical doctors, registered dietitians, and scientists who perform ongoing research to further ensure the optimal safety, quality, and effectiveness of its products. Ritual values transparency, and its synbiotic is “Made Traceable,” which means the company shares where its ingredients come from on its Traceable Ingredients page. The trifecta of pro-, pre-, and postbiotics help make Ritual’s Synbiotic+ a well-rounded option to include in your health routine.

If you prefer a probiotic powder that you can sneak into your favorite beverage, Garden of Life’s Dr. Formulated Probiotics Fitbiotic contains a blend of several clinically tested strains for weight loss, as well as 4 grams of prebiotic fiber per packet to help keep you full. It’s also unflavored, which makes it easier to mix into your preferred beverage, smoothie, or protein shake without altering the taste. Customers report that it mixes into beverages easily, without clumping, further lending to its appeal.