Author name: Justin Perr, MS, RD, IFMCP

It’s not uncommon in my clinic for someone to walk in describing a cluster of symptoms: fatigue, bloating, sugar cravings, and acne. Many of these individuals have either been told or come to believe that they’re dealing with fungal overgrowth, often referred to as Candida overgrowth. When I was in dietetics school, we never talked […]

What SIBO Is And Why It’s Hard To Treat What is SIBO? If you are reading this article, then I’m sure you’ve heard the term “SIBO” before. SIBO stands for small intestinal bacterial overgrowth. It occurs when the concentration of bacteria in the small intestine exceeds the normal range. When there are excessive amounts of

If you’ve ever been told your SIBO test was “normal” but still feel bloated, foggy, and nothing you eat seems to sit right—this post is for you. Hydrogen sulfide SIBO is one of the most overlooked and under-tested forms of bacterial overgrowth. And unfortunately, most doctors aren’t trained to look for it. As a functional

Creatine is a nutrient powerhouse that helps to increase muscle mass, support bone density, and optimize cognitive function. It is safe and very well studied. For these reasons, creatine is one of the most common supplements I recommend in my nutrition clinic.  When I tell my patients to start taking creatine, I always get the

The Hidden Role of Biofilms in Gut Health and Dysbiosis If you’ve been stuck in a cycle of gut issues that won’t resolve—whether it’s IBS, SIBO, or IBD—biofilms could be why. These sticky, protective layers allow bacteria and other microbes to hide from treatment, disrupt digestion, and keep your gut in a constant state of

In my practice, I see many patients with SIBO and obesity. It is not uncommon for an individual to come to my clinic with both SIBO and unexplained weight gain at the same time. When this happens, my patients always want to know if SIBO might be the cause of their weight gain. The truth

Allicin for SIBO? Why Now? The rise of herbal alternatives for SIBO treatment When it comes to SIBO (small intestinal bacterial overgrowth) treatment, herbal antimicrobial therapy is an increasingly popular option. Interestingly, this trend is seen across alternative and conventional medicine.  Though traditional antibiotic therapy does exist for SIBO treatment, many doctors, functional medicine practitioners,

Collagen supplements are everywhere—powders, capsules, even collagen-infused drinks. But do they actually work? And more importantly, which type is best? The two most popular options—bovine collagen (from cows) and marine collagen (from fish)—both claim to support skin, joints, and gut health. But they’re not the same. If you’re spending money on collagen, you want the

In the quest to understand the complex puzzle of weight management, many of us have scrutinized our diets, exercise routines, and even our sleep patterns. But what if a missing variable—something subtle yet impactful—has been quietly influencing our progress? Bisphenol A, or BPA, has recently garnered attention as a potential factor in weight gain. While

Cortisol, often dubbed the “stress hormone,” plays a critical role in how our bodies respond to stress. However, when cortisol levels remain elevated for prolonged periods, it can wreak havoc on our health, contributing to weight gain and a host of other issues. For many, elevated cortisol is the primary reason standard weight loss strategies