SRW

Theworldsgreatestrejuvenation

Theworldsgreatestrejuvenation sells ingestible and topical nutraceuticals aimed at cellular repair, longevity and age-reversal. Flagship SKUs include NAD+ precursor capsules ($89 for 30), liposomal spermidine tonics ($120), and red-light-activated peptide serums ($150); the range sits firmly in the premium tier. All commerce is DTC through the brand’s own site; no third-party marketplaces or physical retail. The company positions itself as a “rejuvenation protocol” rather than a supplement line, bundling biomarker testing kits with each first order so buyers can track biological-age reduction over 90-day cycles. Products are formulated in FDA-registered, cGMP Swiss labs and shipped in cold-chain packaging to preserve peptide stability—details heavily emphasized in content marketing. Its best-known bundle, the “Age-Reversal Starter,” combines NAD+, fisetin and a topical GHK-Cu serum and accounts for 40 % of revenue. Core customers are 35-60-year-old tech professionals and bio-hacking enthusiasts who already track sleep, HRV and glucose and are comfortable self-injecting or stacking multiple molecules. They value quantified-self data, open-source research citations and are willing to pay 2-3× standard supplement prices for patented raw materials and third-party Certificates of Analysis. Competitors include other premium longevity supplement houses, prescription peptide clinics and upscale wellness spas selling similar protocols. Theworldsgreatestrejuvenation differentiates by integrating at-home epigenetic testing, personalized dosage dashboards and subscription refills timed to test-retest windows, creating a closed-loop ecosystem that positions the brand as a science service rather than a product retailer.

Measure your biological age, then actually reverse it

Wearemikra

Wearemikra is a direct-to-consumer wellness brand that sells ingestible cellular-health supplements and powdered “super-cell” blends. The line-up centers on single-ingredient capsules (e.g., pure C15:0, astaxanthin, spermidine) and targeted stacks for skin, cognition, and longevity, priced USD $29-$79 per 30-day supply—solidly mid-range. Sales are online-only through wearemikra.com and Amazon; no retail distribution. The brand’s hook is “cell-first” nutrition: every SKU is built around peer-reviewed longevity compounds, third-party tested for ≥98 % purity, and delivered in lipid or cyclodextrin carriers that claim 3-5× higher cellular uptake. Flagship SKU “Cell-Therapy” combines C15:0, fisetin, and spermidin-R in one daily sachet and accounts for roughly half of recurring revenue. Core buyers are 25-45-year-old urban professionals who track HRV, follow Huberman-type podcasts, and want research-backed biohacks without prescription hoops. Sustainability and clean-label credentials (vegan capsules, carbon-neutral pouches) reinforce a “optimize today, age better tomorrow” value set. Mikra competes in the crowded longevity-supplement aisle against science-forward, DTC pill brands. It differentiates by limiting SKUs to molecules with human ORAC or senolytic data, publishing Certificates of Analysis on every batch page, and offering a 60-day “feel-it-or-free” guarantee—uncommon risk-reversal in the category.

Peer-reviewed molecules, proven absorption, your cells will notice the difference

• Sustainable
• Vegan

InfiniWell

InfiniWell sells physician-formulated longevity and metabolic-health supplements that fall into four core lines—NAD⁺ boosters, senolytics, AMPK activators, and precision hormone support. Single-bottle prices run $79–$149, placing the brand in the premium tier; 3-pack bundles drop the per-unit cost by roughly 15%. Distribution is DTC e-commerce only, shipped from Texas to the U.S. and Canada. The company differentiates by publishing exact ingredient weights, third-party COAs, and the prescribing protocols of its integrative-physician founders on every product page. Flagship SKU “NAD⁺ Max” delivers 1,000 mg nicotinamide riboside plus 500 mg apigenin in two capsules—one of the highest single-dose NR formulas on the market. All capsules are made in NSF-certified facilities and packaged in UV-blocking amber glass to satisfy clinician buyers. Core customers are 35- to 60-year-old biohackers, functional-medicine patients, and anti-aging physicians who want research-backed stacks without proprietary blends. Buyers typically track biomarkers (NAD⁺ levels, HbA1c, biological-age clocks) and value transparent dosing over celebrity endorsements. InfiniWell competes in the clinical-grade longevity niche against brands that also target cellular pathways but often use lower actives or hide behind “complex” labels. It counters with full-label disclosure, practitioner protocol sheets, and lot-specific COAs, positioning itself as the prescriber’s alternative to mass-market “wellness” pills.

Physician-formulated NAD boosters and senolytics with full transparency, zero proprietary blends

Coastlinelongevity

Coastlinelongevity sells oral longevity supplements—NAD+ precursors, spermidine, fisetin, Ca-AKG, and combo “stacks”—in 30- to 90-capsule bottles. Single-unit prices run $39–$89, putting the line in the mid-range tier between mass-market multivitamins and high-end prescription peptides. All fulfillment is direct-to-consumer through the brand’s own site; no retail or marketplace listings are used. The company formulates around peer-reviewed geroscience, publishes third-party COAs for purity and heavy-metal content, and uses glass bottles with desiccant inserts to maximize stability. Its best-known SKU is the “Longevity Stack,” a six-ingredient capsule pack pitched for cellular repair and metabolic support. Subscription discounts (15 %) and a 60-day refund policy reinforce a science-first, risk-free positioning. Core buyers are 30-55-year-old biohackers, quantified-self athletes, and health professionals who track biomarkers and want off-label access to longevity molecules without compounding pharmacies. The brand speaks to values of data-driven wellness, transparency, and proactive aging rather than reactive treatment. Coastlinelongevity competes with boutique nootropic and anti-aging supplement start-ups that also sell single-molecule capsules online. It differentiates by bundling synergistic ingredients, batch-testing every lot, and avoiding proprietary blends so milligram dosages are fully disclosed.

Your cells are aging on a schedule you can actually change

Longevityreserve

Longevityreserve operates a direct-to-consumer e-commerce store focused on premium anti-aging nutraceuticals and biomarker testing kits. Core SKUs include NAD+ precursors, resveratrol, spermidine, fisetin, and combination “longevity stacks” sold in 30-day glass-jar supplies; most items sit between USD 79 and USD 199, positioning the brand at the upper-mid to premium tier of the supplement market. Sales are online-only through longevityreserve.com, with global DHL shipping from U.S. and EU fulfillment nodes. The company differentiates by pairing each product with third-party COAs displayed via QR code and by offering an optional at-home epigenetic age-test that integrates results into a personalized dosing dashboard. All capsules are formulated without fillers in cGMP facilities, bottled in violet glass to limit oxidative degradation, and shipped in insulated, carbon-neutral packaging—details heavily emphasized in product pages and investor decks. Customers are predominantly 35-55-year-old tech professionals and quantified-self enthusiasts who already track sleep, HRV, and glucose and are willing to self-fund interventions that may extend health-span. The brand speaks to values of scientific rigor, transparency, and self-experimentation rather than aspirational wellness culture. Longevityreserve competes in the narrow but fast-growing “longevity biohacking” supplement space populated by niche formulators and functional-medicine private labels. It separates itself by bundling high-purity single compounds with verifiable lab data and a digital feedback loop, moving the purchase from a commodity capsule to an ongoing data-driven optimization service.

Measure your biology, optimize with science, actually age slower

GenuinePurity

Genuinepurity.com is an online-only supplement brand that focuses on natural anti-aging and longevity formulas. Core categories include NMN (nicotinamide mononucleotide), resveratrol, spermidine, fisetin and complementary botanical blends; single-bottle prices run $40-$90, putting the line in the mid-range tier with multi-unit bundles that drop the per-bottle cost by 15-30%. All inventory ships direct from U.S. fulfillment centers; no retail presence is listed. The company positions itself on “99 %+ pure, third-party tested” ingredients, publishing current Certificates of Analysis for every batch and using glass bottles with desiccant inserts to protect actives. Its flagship 500 mg NMN capsule is marketed as “enteric-coated for maximum bioavailability,” while the resveratrol product is micronized and combined with organic olive oil to mirror dosage protocols popularized in longevity research. Subscription customers receive fresh-dated lots every 30 or 60 days, a policy the brand promotes to counteract NMN degradation. Buyers are health-conscious adults aged 35-60 who track biomarkers, follow anti-aging podcasts and want research-backed molecules without compounding their own powders. The brand appeals to value-driven biohackers who insist on transparent lab data but balk at premium-clinic markups; sustainability and clean-label sourcing are repeatedly emphasized in site copy and FAQ. Genuinepurity competes with science-forward supplement houses that sell single-ingredient longevity molecules online. It differentiates by batch-testing transparency, moderate pricing and freshness guarantees, whereas many rivals either hide COAs, price at luxury levels or ship bulk powder with short stability windows.

Biomarkers don't lie, but most supplements do. We're different

• Sustainable
• Organic

Oxfordhealthspan

Oxford Healthspan sells a tightly focused line of longevity supplements built around spermidine, fisetin and related natural autophagy activators. Single-bottle prices run US $55-$90, while 3- and 6-month bundles drop the per-bottle cost to the mid-range; everything is sold direct-to-consumer through the brand’s own Shopify site and Amazon storefront, with no brick-and-mortar retail. The company differentiates by sourcing high-purity, 99% spermidine-rich wheat-germ extract from western Europe and publishing third-party Certificates of Analysis for every batch. Founder Leslie Kenny, an Oxford-based autoimmune patient turned biohacker, positions the brand as “evidence-led anti-aging,” translating Japanese and EU geroscience into English-language protocols; its hero SKU, Primeadine®, is one of the few spermidine products standardized to both 1 mg spermidine per capsule and the polyamine cofactors thought to enhance uptake. Core buyers are 35-65-year-old health professionals, quantified-self enthusiasts and peri-menopausal women willing to self-experiment beyond basic vitamins. They value biological-age reversal, open-label data and hormone-free plant compounds, and they typically stack Oxford Healthspan capsules with fasting or NAD+ boosters. The brand competes in the fast-growing cellular-autophagy niche against other single-ingredient longevity start-ups and multi-ingredient “healthy aging” pills sold by larger nutraceutical labs. It counters by spotlighting one hero molecule at a time, publishing human (not just mouse) trial references, and offering batch-level analytics—tactics that position it as a research-first option rather than a broad-spectrum anti-aging cocktail.

Spermidine science meets biohacker precision, backed by every batch's data

L Cell

L Cell sells ingestible and topical longevity supplements built around cellular-repair ingredients such as NAD+ precursors, spermidine, fisetin and cyclo-astrogens. Single-item capsules start at ~$39, curated 3- to 6-month “Longevity Stacks” run $180-$350, placing the brand in the upper-mid price tier. All commerce is direct-to-consumer through lcell.life; no retail partners or marketplaces are used. The company positions itself as a “longevity systems” brand rather than a single-ingredient shop: every order is paired with free epigenetic-age testing (TruAge) and AI-driven dosage recalibration at 3-month intervals. Products are manufactured in FDA-registered California facilities, dual-tested for 98%+ purity, then shipped in cold-chain biodegradable packaging—details heavily featured in its marketing and investor decks. Core buyers are 30-55-year-old tech professionals, quantified-self enthusiasts and physicians who track biological-age clocks and want research-grade molecules without compounding themselves. The brand speaks in PubMed citations, offers GitHub-style changelogs for formula updates, and rewards users with NFT “longevity passports” that store their test data. L Cell competes in the premium anti-aging supplement space against generic NAD capsules and celebrity wellness pills; it differentiates by bundling diagnostic feedback loops, physician-formulated stacks and transparent Certificates of Analysis for every batch. By turning a commodity category into a data-driven subscription service, it commands 2-3× typical per-bottle pricing while maintaining sub-5% monthly churn.

Your cells have data, now they have a coach