KosoMed

Vellabio

Vellabio sells microbiome-focused skincare and ingestible supplements built around post-biotic actives. The line spans cleansers, serums, creams and daily sachet powders priced USD $28-$78, placing it in the accessible-premium tier. Distribution is DTC through vellabio.com with limited-batch drops; no brick-and-mortar stockists are listed. The brand formulates with Lactobacillus ferment lysate screened for skin-barrier repair peptides, then freeze-dries it into powders that remain active without refrigeration. Every SKU is pH-optimized to 4.5-5.5 and third-party tested for microbial identity; batch-level Certificates of Analysis are posted online. Their “Post-Biotic Recovery Cream” and “Microbiome Balance Powder” routinely sell out within days of restock. Core buyers are 25-45-year-old professionals who track gut-skin axis research, track cycles in health-tracking apps and prefer science-backed “bio-aligned” routines over botanical clean beauty. They value transparency (full genome sequencing data), minimal ingredient lists and recyclable mono-material packaging. Vellabio competes with both clinical dermaceutical brands and ingestible wellness startups by bridging topicals and supplements under one microbiome platform. Where rivals market probiotics that may degrade, Vellabio uses heat-killed, shelf-stable post-biotics, positioning them as faster-acting and safer for immunocompromised users.

Your skin's microbiome finally has a protocol that actually works

• Recycled

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

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

Codex Labs

Codex Labs is a biotech-meets-skincare company that sells clinically tested topical supplements for skin, scalp and intimate care. The range spans cleansers, serums, moisturizers, microbiome-friendly masks and OTC-style treatment sticks, priced $18-$65 (mid-range). Distribution is DTC through codexlabscorp.com, Amazon and select dermatology clinics; no traditional beauty retailers carry the line. Products are formulated under EU/US pharma-grade standards, each with published INCI, pH, preservative efficacy and post-biotic data in peer-reviewed journals. The patented “BiaComplex®” and “AntuComplex®” botanical-plus-biotech actives target barrier repair and oxidative stress, respectively; Shaant® acne line uses plant sterols to modulate sebum gene expression. All formulas are certified microbiome-safe by MyMicrobiome and packaged in sugar-cane or recycled tubes. Core buyers are science-literate millennials and Gen-Xers who track skin pH, read clinical white papers and want “supplement-level” efficacy without prescription drugs. They value transparency, eco-medical packaging and cruelty-free vegan sourcing, and are willing to forgo fragrance and essential oils to maintain barrier integrity. Codex competes with clinical “derm” brands, probiotic skincare startups and clean cosmeceuticals; it differentiates by publishing full genomic and preservative data, submitting to pharmaceutical-grade stability testing, and positioning products as topical supplements rather than cosmetics.

Prescription-strength science, no prescription required

• Recycled
• Vegan
• Cruelty-free

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

Cocoformulations

Cocoformulations sells small-batch, coconut-oil based skin, hair and body care. The line spans cleansers, serums, body butters and scalp treatments priced USD 18-42, placing it in the accessible-to-mid range. Distribution is DTC through cocoformulations.com with periodic drops that routinely sell out within 48 hours; no brick-and-mortar stockists are listed. The brand’s hook is its use of cold-pressed, single-origin Philippine coconut oil combined with biotech actives such as fermented niacinamide and encapsulated ceramides. Every formula is vegan, fragrance-free and produced in 200-unit micro-batches stamped with a traceable harvest date. The “Raw + Reactive” facial cleanser and “Coco-Barrier” moisturizer are the SKUs most often cited in wait-list announcements and press mentions. Core buyers are ingredient-savvy millennials and Gen Z consumers who follow skincare science accounts and prioritize cruelty-free, tropical-sourced botanicals. They value streamlined routines, ethical sourcing, and like to support founder-led labels that disclose lab data sheets on product pages. Cocoformulations competes with other plant-powered, direct-to-door skincare startups that market “clean” tropical ingredients. It differentiates by limiting its hero oil to one verified cooperative farm, publishing exact fatty-acid percentages, and rotating limited-edition SKUs that create scarcity without launching a full second line.

Traceable coconut oil meets biotech actives in micro-batches that actually sell out

• Ethical
• Vegan
• Cruelty-free

Xandro

Xandro sells microbiome-focused dietary supplements and at-home gut-health test kits. Single-month supplement bundles run $55–$75, placing the line in the mid-range; the 3-month “Total Reset” kit plus two gut tests sells for about $249. Everything is ordered direct-to-consumer through xandrolab.com; no retail distribution is listed. The company formulates around sequenced probiotic strains plus spore-based prebiotics that are matched to individual microbiome results. Customers receive a prepaid stool-sample kit, an online dashboard that maps 30+ microbial markers, and personalized refill packs that adjust strain ratios each quarter. This test-and-replenish loop is marketed as “precision probiotics,” a positioning reinforced by published third-party sequencing methods. Core buyers are 25-45-year-old urban professionals who already track sleep, macros, or fitness metrics and want data-driven digestion solutions. The brand speaks in bio-hacking language—optimization, resilience, “gut-brain KPIs”—and stresses transparent lab reports over broad “wellness” claims, appealing to values of scientific self-experimentation and measurable progress. Xandro competes with both mass-market probiotic pills and venture-backed microbiome testing startups. It differentiates by bundling sequencing, algorithmic strain selection, and ongoing supplement fulfillment into one vertically integrated subscription, eliminating the need for customers to reconcile separate test results and off-the-shelf bottles.

Your gut data, personalized probiotics, measurable results every quarter

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