{"title":"Our Products","description":"","products":[{"product_id":"nad-cartridge-500","title":"N-Core 500 Cartridge","description":"\u003cp style=\"margin: 0 0 1rem;\"\u003e\u003cstrong\u003eHigh-purity NAD⁺, delivered daily from the Longevity Pen®.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003e500 mg of high-purity NAD⁺ per cartridge — 10 micro-doses of 50 mg.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eNo fillers or bulking agents — just the molecule your cells depend on for energy and repair.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eManufactured in Europe to GMP-grade pharmaceutical standards.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eEngineered exclusively for the Longevity Pen® — seamless delivery and optimal bioavailability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003eYour daily rhythm of focus, recovery, and renewal — in one precise micro-dose.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003e\u003cstrong\u003eThe first pillar of longevity.\u003c\/strong\u003e Built to run alongside \u003ca title=\"S-Core 200 Spermidine Cartridge\" href=\"\/en\/products\/spermidine-cartridge\"\u003eS-Core 200 (spermidine)\u003c\/a\u003e, the renewal pillar. Want both? See \u003ca title=\"The Longevity Protocol Refill Duo\" href=\"\/en\/products\/longevity-protocol-refill-duo\"\u003eThe Longevity Protocol Refill Duo\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen®","offers":[{"title":"1 x 500mg","offer_id":57262883471735,"sku":"LP-NAD01","price":235.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/nad-cartridge-hr.png?v=1768231804"},{"product_id":"nad-injection-pen-starter-kit","title":"NAD Injection Pen - Starter Kit","description":"\u003cp style=\"margin: 0 0 1rem;\"\u003e\u003cstrong\u003eHigh-purity NAD⁺, delivered daily from the Longevity Pen®.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eHigh-purity NAD⁺ in micro-dose cartridges — 500 mg per cartridge, 10 doses of 50 mg.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eFree from preservatives — pure, potent, and highly bioavailable.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eSupports energy production, cellular rejuvenation, and healthy aging.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eBypasses digestion — faster and more direct than tablets or powder.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003eYour daily rhythm of focus, recovery, and renewal — in one precise micro-dose.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003e\u003cstrong\u003eThe first pillar of longevity.\u003c\/strong\u003e Built to run alongside the \u003ca title=\"Spermidine Injection Pen Starter Kit\" href=\"\/en\/products\/spermidine-injection-pen-starter-kit\"\u003eSpermidine Starter Kit (S-Core 200)\u003c\/a\u003e, the renewal pillar. Want both in one kit? See \u003ca title=\"The Longevity Protocol Starter Kit\" href=\"\/en\/products\/longevity-protocol-starter-kit\"\u003eThe Longevity Protocol\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen Croatia","offers":[{"title":"1 x 500mg","offer_id":56377886179703,"sku":null,"price":299.0,"currency_code":"EUR","in_stock":true},{"title":"2 x 500mg","offer_id":56377886212471,"sku":null,"price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/nad-starterkit-hr_09365d51-020d-4469-af23-4bf0332c69ed.png?v=1785329133"},{"product_id":"spermidine-cartridge","title":"S-Core 200 Cartridge","description":"\u003cp style=\"margin: 0 0 1rem;\"\u003e\u003cstrong\u003eHigh-concentration spermidine, delivered daily from the Longevity Pen®.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003e200 mg of high-concentration spermidine in a 2.5 mL cartridge — a daily micro-dose of 8–9.6 mg.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eNo fillers or bulking agents — a proprietary form engineered to stay stable at high concentration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eTrehalose-stabilised and filled under inert gas — manufactured in Europe to GMP-grade standards.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eEngineered exclusively for the Longevity Pen® — precise daily delivery and optimal bioavailability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003e\u003cstrong\u003eThe second pillar of longevity.\u003c\/strong\u003e Built to run alongside \u003ca href=\"\/en\/products\/nad-cartridge-500\" title=\"N-Core 500 NAD+ Cartridge\"\u003eN-Core 500 (NAD⁺)\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen®","offers":[{"title":"Default Title","offer_id":57314750759287,"sku":null,"price":235.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/Spermidine-cartridge-hr_a3df5769-c6c3-4df8-9501-777ca875eb00.png?v=1785329207"},{"product_id":"longevity-protocol-refill-duo","title":"The Longevity Protocol - Refill Duo","description":"\u003cp style=\"margin: 0 0 .9rem;\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eN-Core 500 (NAD⁺) powers your cells. S-Core 200 (spermidine) renews them.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eTwo compounds acting on opposite ends of the same autophagy switch.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eBoth pillars in one refill — engineered for your Longevity Pen®.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eGMP-grade, manufactured in Europe.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eTwo pillars. One protocol. One purpose.\u003c\/strong\u003e New to the Pen? Start with the \u003ca href=\"\/en\/products\/longevity-protocol-starter-kit\" title=\"Longevity Protocol Starter Kit\"\u003eLongevity Protocol Starter Kit\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen®","offers":[{"title":"Default Title","offer_id":57315288154487,"sku":null,"price":470.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/longevity-protocol-cartridge-hr.png?v=1785328882"},{"product_id":"longevity-protocol-starter-kit","title":"The Longevity Protocol - Starter Kit","description":"\u003cp style=\"margin: 0 0 .9rem;\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eN-Core 500 (NAD⁺) powers your cells. S-Core 200 (spermidine) renews them.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eTwo compounds acting on opposite ends of the same autophagy switch.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eBypasses digestion — faster and more direct than tablets or powder.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eTwo pillars. One protocol. One purpose.\u003c\/strong\u003e Already own a Pen? Explore the \u003ca href=\"\/en\/products\/longevity-protocol-refill-duo\" title=\"Longevity Protocol Refill Duo\"\u003eLongevity Protocol Refill Duo\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen®","offers":[{"title":"Default Title","offer_id":57315290841463,"sku":null,"price":534.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/longevityprotocol-hr.png?v=1785328823"},{"product_id":"spermidine-injection-pen-starter-kit","title":"Spermidine Injection Pen - Starter Kit","description":"\u003cp style=\"margin: 0 0 1rem;\"\u003e\u003cstrong\u003eHigh-concentration spermidine, delivered daily from the Longevity Pen®.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.15rem; padding: 0;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eHigh-concentration spermidine (200 mg) in a daily micro-dose cartridge.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eTrehalose-stabilised, preservative-free — pure, potent, and highly bioavailable.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eSupports autophagy, cellular renewal, and healthy aging.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; gap: .65rem; margin: .6rem 0; line-height: 1.5;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: #776d3e; color: #fff; font-size: 12px; line-height: 1; margin-top: .12rem;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eBypasses digestion — faster and more direct than tablets or powder.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 1.15rem;\"\u003e\u003cstrong\u003eThe second pillar of longevity.\u003c\/strong\u003e Built to run alongside \u003ca href=\"\/en\/products\/nad-injection-pen-starter-kit\" title=\"NAD+ Injection Pen Starter Kit\"\u003eN-Core 500 (NAD⁺)\u003c\/a\u003e.\u003c\/p\u003e","brand":"Longevity Pen®","offers":[{"title":"Default Title","offer_id":57315295920503,"sku":null,"price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/9513\/8423\/files\/spermidine-injection-starterkit-hr.png?v=1785328767"}],"url":"https:\/\/longevitypen.hr\/en\/collections\/pocetnastranica.oembed","provider":"Longevity Pen Croatia","version":"1.0","type":"link"}