Xandro

Phylabiotics

Phylabiotics sells probiotic supplements and gut-health powders aimed at digestive, immune and metabolic support. Single-unit SKUs run $39–$59 (30-day supply) and bundled 3-month kits drop the per-unit cost to the low-$30s, placing the line squarely in the mid-range. Distribution is DTC only through phylabiotics.com; no Amazon, pharmacy or brick-and-mortar listings are operated. The brand formulates with 15–18 clinically referenced strains per capsule, quantified by qPCR to guarantee 60 billion CFU through expiry, and pairs the blend with organic prebiotic fiber. All lots are third-party tested for purity, allergens and glyphosate residue, and certificates of analysis are posted by batch number. Its best-known SKU, “Gut-Brain Symbiotic,” targets the microbiome–mood axis and accounts for roughly half of repeat orders. Core buyers are 25-45-year-old professionals who track macros, use wearable health tech and prefer subscription replenishment over store aisles. They value transparent labeling, science citations and eco-packaging (glass jars, carbon-neutral shipping) more than celebrity endorsements or flavor variety. Phylabiotics competes in the fast-growing direct-to-consumer microbiome space against other data-centric, subscription probiotic brands. It differentiates by publishing full lab data per lot, avoiding marketplace dilution, and keeping price points below premium-clinical competitors while staying above low-CFU grocery brands.

Gut science you can actually verify, delivered monthly to your door

• Organic

Yourbiology

Yourbiology is a direct-to-consumer, online-only supplement brand focused on gut-health and probiotic formulas. Its flagship line, “Gut+,” is sold in 30- and 60-capsule SKUs priced at mid-range levels—roughly $45–$70 per bottle—with subscription discounts of 15–25 %. The site also bundles complementary products such as prebiotic fiber and digestive enzymes, but all sales flow through the brand’s own storefront; no retail or third-party e-commerce listings are maintained. The company differentiates by pairing clinically documented probiotic strains (10–20 billion CFU counts) with a patented brown-seaweed “MAKTrek” delivery capsule that claims 250 % better survival through stomach acid. All formulas are non-GMO, allergen-free, manufactured in U.S. GMP-certified facilities, and supported by third-party lab certificates posted online. A 60-day money-back guarantee and free U.S. shipping reinforce the science-first positioning. Core buyers are health-conscious women aged 25–45 who track wellness metrics, follow gut-health influencers, and prefer “clean-label” solutions over pharmaceuticals. They value transparent ingredient lists, hormone-friendly strain profiles, and the convenience of monthly auto-ship. Marketing leans on educational email courses, TikTok micro-influencers, and before-and-after bloat-reduction testimonials. Yourbiology competes in the crowded mid-priced probiotic space against mass-market capsules and premium “personalized” microbiome programs. It stakes out middle ground: higher strain diversity than drugstore brands without the $80–$100 price tags or complex microbiome testing kits of boutique startups. The focus on female-specific digestive and vaginal strains, coupled with visibly posted lab assays, lets it claim both credibility and approachability.

Your gut deserves science, not just hype

ResBiotic

ResBiotic sells microbiome-targeted nutraceuticals anchored by its flagship powdered synbiotic, resB®; a one-month supply is $79 ($2.63/day), placing the brand in the premium tier. Capsule SKUs for lung and gut support sit at $89–$99, while a 3-in-1 probiotic spray for kids retails for $39. All products are sold direct-to-consumer through resbiotic.com and Amazon; no brick-and-mortar retail. The company positions itself as the first line to combine clinically dosed probiotic strains with resveratrol and botanicals specifically chosen for respiratory–gut axis support. Every formulation is NSF-certified, dual-listed as both a dietary supplement and medical food, and supported by two peer-reviewed human studies conducted at major U.S. universities. This science-first stance is reinforced by transparent Certificates of Analysis and a medical advisory board of pulmonologists. Core buyers are 30-55-year-old health-optimizing professionals who track HRV, use wearables, and want drug-free ways to manage exercise-induced breathing issues or post-antibiotic recovery. The brand resonates with values of data-driven wellness, clean labels (vegan, non-GMO, allergen-free), and environmental responsibility via carbon-neutral shipping. ResBiotic competes in the fast-growing “precision probiotic” space against generic gut-only blends and mainstream respiratory supplements. It differentiates by coupling airway-specific strains with polyphenol science, publishing human data, and offering MD-staffed telehealth onboarding—moving the category from broad-spectrum gut support to targeted respiratory outcomes.

Breathe better, recover faster, backed by real science

• Vegan

Mitohealth

Mitohealth sells at-home biomarker test kits and subscription-based longevity supplements. Core offerings include whole-blood epigenetic panels, continuous-glucose-monitor bundles, and physician-formulated micronutrient blends priced from $199 for a single test to $349 for quarterly refill plans, situating the brand in the premium tier. All products are sold direct-to-consumer through mitohealth.com; no retail distribution is listed. The company positions itself as a “longevity concierge,” combining next-generation diagnostics with personalized supplement protocols reviewed by licensed physicians. Results dashboards translate methylation and metabolic data into actionable daily targets, and every kit includes a 30-minute tele-health consult to interpret scores and adjust regimens. This integration of testing, clinical guidance and targeted nutrition in one flow is the brand’s primary differentiator. Customers are 30-55-year-old high-earning professionals who track sleep, exercise and diet via wearables and want quantified proof that their supplement spend is moving biomarkers. They value autonomy, evidence-based protocols and concierge access without wait-listed longevity clinics. Mitohealth competes with two cohorts: direct-mail blood-spot vitamin labs that lack physician follow-through, and premium nootropic or longevity pill brands that skip testing. By locking testing, interpretation and product into a single vertically integrated loop, it justifies higher price points and reduces the friction of piecing together separate lab, doctor and supplement orders.

Know your biomarkers, optimize your longevity, skip the clinic wait

resetrx.life

ResetRx.life operates as a direct-to-consumer wellness platform focused on at-home functional-medicine protocols. The core catalog centers on physician-formulated supplement bundles—gut-repair, hormone-balance, metabolic-reset, and detox systems—priced in the mid-range bracket ($79–$189 per 30-day kit). Everything is sold exclusively through the brand’s own website; no retail or third-party e-commerce presence is maintained. The brand’s signature is its “Rx Reset Protocols,” 21- to 30-day programs that pair targeted nutraceuticals with downloadable meal plans, biomarker tracking sheets, and tele-support from a licensed nutrition team. Each kit is batch-tested for purity, uses methylated and chelated active forms, and ships with a QR code linking to third-party lab results—transparency features that have earned frequent mentions in biohacking podcasts. Customers are 25-45-year-old health-optimizers—cross-fitters, new moms rebounding from post-partum fatigue, and tech workers managing burnout—who want clinical-grade protocols without booking concierge functional-medicine doctors. They value data-driven guidance, clean-label ingredients, and the convenience of an all-in-one reset delivered to their door. ResetRx.life competes in the crowded subscription-supplement space against generic multivitamin packs and algorithm-driven vitamin startups. It differentiates by limiting SKUs to condition-specific, time-boxed protocols, providing practitioner oversight at no extra cost, and publishing post-protocol user outcome aggregates—positioning itself as a middle ground between drug-store vitamins and high-ticket functional clinics.

Clinical protocols designed for people who refuse to compromise on health

TrustMD

TrustMD sells physician-formulated dietary supplements that target gut health, immune support, sleep, stress, and women’s wellness. SKUs are priced mid-range: $25–$55 per 30-day bottle, with bundle discounts of 10–20%. Distribution is DTC only through trustmd.com and Amazon; no brick-and-mortar retail. The brand’s hook is “MD-formulated, pharmacist-approved”: every capsule, powder, or gummy is designed by board-certified gastroenterologists, third-party tested for purity, and shipped in temperature-controlled packaging to preserve probiotic CFU counts. Flagskus include Gut Restore 60B CFU probiotic and the 3-step Microbiome Reset Kit, both frequently top-10 in Amazon’s “Digestive Supplements” sub-category. Core buyers are 25-45-year-old health-seeking women who follow functional-medicine podcasts, track macros, and prefer “clean” labels without GMOs or titanium dioxide. They value clinician credentials over influencer hype and will pay extra for transparent COAs and subscription convenience. TrustMD competes in the crowded telehealth-adjacent supplement space populated by generic white-label brands and influencer lines; it differentiates through board-certified physician authorship, batch-level lab certificates posted online, and cold-chain fulfillment that guarantees labeled probiotic potency through delivery.

Physician-formulated probiotics that actually survive to your gut

Defyithealth

Defyithealth sells a tightly edited line of science-backed supplements and at-home health test kits priced in the mid-range tier—most SKUs fall between $29 and $79. All commerce is handled through its own Shopify-powered site; no third-party marketplaces or brick-and-mortar presence are used. The brand positions itself on “data-first wellness,” pairing each supplement with an optional finger-prick or saliva test so customers can measure biomarkers before and after use. Flagship SKUs include a vitamin D + K2 combo sold alongside a 25-OH-D blood spot test and a “Metabolic Reset” bundle that bundles berberine, chromium and a two-pack HbA1c test. Core buyers are 25-45-year-old professionals who already track sleep, steps or macros and want quantifiable proof that a pill works. They value transparency, open-source ingredient sheets and the ability to retest without a doctor’s visit. Defyithealth competes with both direct-to-consumer vitamin brands and emerging tele-health labs; it differentiates by integrating the two experiences under one vertically controlled system, cutting third-party lab mark-ups and publishing anonymized aggregate results on its site for peer comparison.

Prove your supplements work with your own biomarker data

Longevity Method

Longevity Method sells physician-formulated supplement stacks, at-home blood & epigenetic test kits, and personalized digital protocols priced USD $69–$349; all commerce is DTC through longevity-method.com, no retail. The brand positions itself as a “longevity concierge,” combining MD-designed nutrient synergies with follow-up biomarker tracking; its flagship “Longevity Stack” (NAD+ booster, senolytic, omega-3, micronutrient complex) is bundled with quarterly re-tests that adjust dosing. Core buyers are 30-55-year-old tech-savvy professionals who already track sleep, exercise, and diet and want data-driven, science-heavy interventions to slow biological aging; they value transparency, open-source ingredient lists, and published third-party lab certificates. Competitors include generic anti-aging pill lines and basic subscription vitamin packs; Longevity Method differentiates by integrating testing, AI-driven protocol updates, and medical-team oversight in one vertically integrated system, turning one-off supplement sales into an iterative longevity program.

Your biology has a coach, your supplements have receipts