What is Metagenics UltraFlora Control, and what is the B420 probiotic strain?
Metagenics UltraFlora Control is a single-strain probiotic supplement delivering 10 billion CFU of Bifidobacterium animalis subsp. lactis B420 per capsule — a proprietary strain developed by IFF Health (formerly DuPont Danisco) and supported by peer-reviewed clinical research specifically investigating body weight and fat mass management. B420 is sometimes called the 'lean bacteria' strain due to its studied effects on adipose tissue and caloric intake regulation. Unlike general-purpose probiotic blends, UltraFlora Control is formulated around a single clinically researched strain at the dose shown to produce measurable outcomes in published randomized controlled trials. The capsule is manufactured under pharmaceutical-grade GMP standards to ensure live cell count at time of use.
How does B420 probiotic help with body fat and weight management, and what does the clinical evidence show?
The primary mechanism through which B420 is proposed to influence body composition involves modulating the gut microbiome in ways that affect intestinal permeability, appetite signaling, and energy harvesting from food. Improvements in gut barrier function are thought to reduce low-grade metabolic inflammation associated with adipose tissue accumulation. In a double-blind, randomized, placebo-controlled trial published in EBioMedicine, participants who took B420 alongside a low-calorie diet and regular exercise experienced an average reduction in body fat of 1.4 kg, a reduction in abdominal fat of 1.3 kg, a decrease in waist circumference of 2.4 cm, and a reduction in daily caloric intake of approximately 300 calories compared to placebo. These results are specific to B420 used in conjunction with caloric restriction and exercise — the probiotic is not intended as a standalone weight-loss solution.
Who is UltraFlora Control suitable for, and how should it be taken?
UltraFlora Control is appropriate for adults who are actively following a calorie-controlled diet and exercise program and want probiotic support specifically studied for body fat and waist circumference reduction. It is not a replacement for dietary and lifestyle changes but is designed to work alongside them. It is also suitable for individuals interested in gut microbiome optimization as part of a metabolic health strategy, particularly those with excess abdominal adiposity. The recommended adult dose is one capsule daily with or without food. Do not use if immunocompromised. Consult a physician before use if pregnant, breastfeeding, or if symptoms such as fever, vomiting, bloody diarrhea, or severe abdominal pain are present. Discontinue and consult a doctor if digestive symptoms worsen or persist beyond 3 days.
How does UltraFlora Control differ from general-purpose probiotics marketed for weight loss?
Most probiotics marketed for weight management rely on multi-strain blends with no published clinical data specific to body composition outcomes — they are general-gut-health products repositioned with weight-loss messaging. UltraFlora Control is built around a single clinically investigated strain, B420, with peer-reviewed evidence from a randomized controlled trial published in a named scientific journal (EBioMedicine), reporting specific outcomes for fat mass, abdominal fat, waist circumference, and caloric intake. The strain is a DuPont (now IFF Health) proprietary isolate, meaning its identity and performance data are traceable. Metagenics' positioning as a physician-channel functional medicine brand adds a further layer of formulation accountability: the product is designed for clinical use contexts where measurable outcomes matter, not for general retail shelf appeal. USP GMP and NSF International GMP dual certification and a TruQuality batch traceability system provide additional quality assurance above the probiotic category standard.
What is Metagenics and who are its supplements designed for?
Metagenics is an American functional medicine supplement brand founded in 1983 by Dr. Jeffrey Bland, widely regarded as the father of functional medicine. Products address root causes of chronic illness rather than symptoms, targeting gut health, hormonal balance, detoxification, cardiometabolic health, and cognitive function. Manufacturing is USP GMP and NSF GMP certified, with over 60,000 quality control tests conducted annually. Metagenics is the number-one doctor-recommended professional supplement brand in North America and holds Certified B Corp status. Products are available through licensed healthcare practitioners.
What is Metagenics and are its supplements safe to use in Canada?
Metagenics is a science-based supplement brand founded in 1983, with Canadian operations headquartered in Mississauga, Ontario. All Metagenics products sold in Canada carry Health Canada Natural Product Numbers (NPN), confirming they have been reviewed for safety, efficacy, and quality under Canada's Natural Health Products Regulations. Manufacturing facilities are audited by USP GMP, NSF International GMP, and Canada's Natural and Non-Prescription Health Products Directorate (NNHPD). Metagenics is also a certified B Corporation (since 2022) and offers lot-level quality transparency through its TruQuality® Guarantee, allowing customers to verify testing results for every formula by lot number.
How is Metagenics different from regular supplement brands sold in stores?
Metagenics differs from typical retail supplements in three ways. First, it is a practitioner-grade brand — formulated for therapeutic use and traditionally distributed through licensed healthcare providers, not mass retail, making it the #1 Doctor Recommended Professional Supplement Brand in North America. Second, its formulas are built on nutrigenomics research — the science of how nutrition interacts with genes — backed by hundreds of clinical studies, with a focus on bioavailability-optimized ingredient forms rather than generic powders. Third, it maintains multi-layer independent quality verification: USP GMP, NSF GMP, and NNHPD Canada audits, with every formula's testing results accessible online by lot number via the TruQuality® Guarantee.
What makes Metagenics different from other professional-grade supplement brands?
Metagenics was built around nutrigenomics — the science of how nutrients regulate gene expression — a field its founder Dr. Jeffrey Bland helped pioneer before it was mainstream. This underpins formulas designed to modulate biological pathways at the cellular level, not just correct deficiencies. Unlike brands that adopted practitioner distribution as a later marketing channel, Metagenics was practitioner-exclusive from inception, with clinical protocols as the core of product design. It has participated in hundreds of clinical trials and conducts over 60,000 quality control tests annually — a depth of evidence unusual for the supplement category.
How Metagenics products tested for quality and safety?
Every Metagenics product undergoes rigorous testing at every stage of production, including raw ingredients, finished formulas, and final encapsulation. We don’t just meet industry standards—we exceed them.
While the FDA requires minimal oversight for supplements, we invest over $1.5 million annually into quality assurance. That includes nearly 50,000 tests per year conducted by more than 70 global quality experts to ensure purity, safety, and potency.
Each product is triple-tested for identity, strength, and consistency—so what’s on the label is exactly what’s in the bottle. And to hold ourselves to an even higher standard, we also voluntarily submit every product for third-party testing to confirm quality and transparency you can trust.
The information provided above is for reference purposes only and has not been reviewed or approved by Health Canada. It does not constitute medical advice and should not replace consultation with a qualified healthcare professional.