{"product_id":"quamtrax-collagen-300g","title":"QUAMTRAX - Collagen | 300g","description":"\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eAbout the Product\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eQuamtrax Collagen is a bovine \u003cstrong\u003ehydrolyzed collagen\u003c\/strong\u003e powder supplement enriched with \u003cstrong\u003emagnesium, hyaluronic acid, Vitamin C, Vitamin B3, and Vitamin B6\u003c\/strong\u003e, formulated to support skin, joint, bone, and connective tissue health. With \u003cstrong\u003e12g of hydrolyzed collagen per serving\u003c\/strong\u003e — a dose close to that documented in the most robust clinical studies (10 to 15g\/day) — supplemented with sodium hyaluronate (hydration of joint and skin matrix), magnesium (bone and muscle health), and Vitamin C (obligatory cofactor for endogenous collagen synthesis), Quamtrax Collagen is a complete joint and skin health supplement in a single daily dose. Sweetened with steviol (natural, sugar-free). \u003cstrong\u003e300g = 25 servings. Flavors: Neutral and Orange. Not vegan (collagen of bovine origin).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eIngredients:\u003c\/strong\u003e Bovine hydrolyzed collagen + Magnesium carbonate (67.8mg Mg\/serving) + Citric acid + Calcium ascorbate (Vitamin C) + Sodium hyaluronate + Steviol glycosides (natural sweetener) + Nicotinamide (Vitamin B3) + Pyridoxine hydrochloride (Vitamin B6).\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eBenefits\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCollagen: the most abundant structural protein in the body and why its supplementation is relevant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCollagen\u003c\/strong\u003e is the most abundant protein in the human body — representing ~30% of total body protein — and the main structural component of connective tissue in all its forms: tendons and ligaments (collagen type I and III), articular cartilage (collagen type II), bone (collagen type I, basis of the bone matrix), skin (collagen type I, III and IV), vascular wall, and cornea. Endogenous collagen production by fibroblasts (in skin and connective tissue), chondrocytes (cartilage), and osteoblasts (bone) progressively declines with age — dermal collagen production decreases by ~1% per year from age 20, and joint laxity and loss of cartilage thickness are direct consequences of this decline. For athletes specifically, repeated mechanical stress on tendons, ligaments, and cartilage (especially in impact sports or high axial load sports) accelerates the degradation of articular and periarticular collagen beyond the rate of endogenous repair.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBovine hydrolyzed collagen: collagen peptides with higher bioavailability and pro-anabolic joint activity:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHydrolyzed collagen\u003c\/strong\u003e (also called collagen peptides) is produced by controlled enzymatic hydrolysis of native collagen (typically type I collagen from bovine or porcine skin and tendon), breaking the triple helix chains into peptides of lower molecular weight (typically 2000 to 5000 Daltons). This hydrolysis has two critical effects: it drastically increases \u003cstrong\u003esolubility\u003c\/strong\u003e (native collagen is almost insoluble in cold water, while hydrolyzed dissolves easily) and increases \u003cstrong\u003ebioavailability\u003c\/strong\u003e — the low molecular weight peptides of hydrolyzed collagen are absorbed by the small intestine via peptide transporters (PEPT1\/PEPT2) more efficiently than isolated amino acids, and are found in the bloodstream as dipeptides and tripeptides of hydroxyproline (Pro-Hyp, Hyp-Gly) that directly stimulate cartilage fibroblasts to synthesize new collagen. The clinical trial by Shaw et al. (2017), published in the American Journal of Clinical Nutrition, documented that the ingestion of 15g of hydrolyzed collagen 1 hour before jump exercise doubles the content of collagen-derived amino acids in the blood and increases collagen synthesis in tendons, confirming that absorbed peptides effectively reach the target connective tissues.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e12g per serving: the dose close to that clinically documented for joint and skin effects:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe dose of \u003cstrong\u003e12g of hydrolyzed collagen per serving\u003c\/strong\u003e is within the range of the most robust studies on collagen and joint health. The clinical trial by Clark et al. (2008), published in Current Medical Research and Opinion with 147 collegiate athletes over 24 weeks, documented that 10g\/day of hydrolyzed collagen significantly reduced joint pain at rest and during movement compared to placebo. The meta-analysis by Khatri et al. (2021), published in the British Journal of Sports Medicine with data from 15 clinical trials, confirmed that supplementation with collagen peptides (doses of 5 to 10g\/day) improved joint pain and physical function in adults with osteoarthritis and in athletes with exercise-related joint pain.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSodium hyaluronate (hyaluronic acid): hydration of the joint matrix and skin:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSodium hyaluronate\u003c\/strong\u003e (sodium salt of hyaluronic acid, HA) is the most abundant glycosaminoglycan in synovial fluid (which lubricates joints) and in the dermal extracellular matrix. Hyaluronic acid has the ability to retain water in extraordinary proportions (up to 1000 ml of water per gram of dry HA) — it is the main molecular \"sponge\" of the joint matrix and dermis, giving connective tissue its characteristic viscosity and elasticity. With age and joint wear, the concentration of HA in synovial fluid decreases (and the average molecular weight also decreases), resulting in less joint lubrication and increased friction between cartilage surfaces. Oral supplementation with low molecular weight hyaluronic acid has increasing evidence of oral bioavailability and reaching joint tissues — the meta-analysis by Tashiro et al. documented improvement in joint pain and knee function with oral HA supplementation in patients with osteoarthritis.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eVitamin C (Calcium Ascorbate): the irreplaceable cofactor for collagen synthesis:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAs described in the \u003cstrong\u003eVitamin C\u003c\/strong\u003e section of Marvelous Nutrition, Vitamin C is the \u003cstrong\u003eobligatory cofactor of prolyl 4-hydroxylase and lysyl hydroxylase\u003c\/strong\u003e — the enzymes that hydroxylate proline and lysine residues in pro-collagen to form hydroxyproline and hydroxylysine, which are essential for the stability of the collagen triple helix. Without Vitamin C, collagen synthesis completely stops — the \u003cstrong\u003ecalcium ascorbate\u003c\/strong\u003e form used in this formula is a buffered form of Vitamin C with a lower risk of gastric irritation than pure ascorbic acid, and with additional calcium as a co-nutrient for bone health.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMagnesium (magnesium carbonate) 67.8mg\/serving: the mineral for bone and muscle health:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAs described in the \u003cstrong\u003eMagnesium Bisglycinate\u003c\/strong\u003e section of Marvelous Nutrition, magnesium is a cofactor for over 300 enzymes and essential for ATP synthesis, neuromuscular function, and bone health. The 67.8mg of magnesium per serving (as magnesium carbonate) covers ~18% of the daily reference intake, complementing dietary magnesium to support bone and muscle health in the context of the collagen supplement.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eVitamin B3 (Nicotinamide) + Vitamin B6 (Pyridoxine): support for protein metabolism and collagen synthesis:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eVitamin B3\u003c\/strong\u003e (Nicotinamide) is a precursor to NAD+ and NADP+, central cofactors for energy metabolism and protein synthesis. \u003cstrong\u003eVitamin B6\u003c\/strong\u003e (Pyridoxine) is a cofactor for aminotransferases (amino acid metabolism) and intracellular collagen synthesis (supports the activation of pro-collagen processing enzymes). The combination of the two B vitamins with Vitamin C in Quamtrax Collagen creates complete vitamin support for collagen metabolism — both for new synthesis (B3, B6, Vitamin C) and for antioxidant protection of already synthesized collagen (Vitamin C).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSteviol as a natural sweetener: sweetness without sugar or artificial sweeteners:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe use of \u003cstrong\u003esteviol glycosides\u003c\/strong\u003e (extracted from Stevia rebaudiana leaves) instead of sucralose or aspartame positions Quamtrax Collagen as a formula with natural sweetener — preferred by consumers who avoid synthetic sweeteners and seek \"clean label\" formulations.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eUses\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eRecommended dose:\u003c\/strong\u003e Mix 12g (1 level scoop) with 250ml of water or another liquid. Consume once a day for best results. For use in joint support associated with exercise, take 1 hour before training (according to the collagen synthesis window documented by Shaw et al.). For use in supporting skin health, take at breakfast. \u003cstrong\u003e300g = 25 servings. Flavors: Neutral and Orange.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Quamtrax","offers":[{"title":"Limão","offer_id":53003332485467,"sku":null,"price":15.9,"currency_code":"EUR","in_stock":true},{"title":"Sem sabor","offer_id":53003338613083,"sku":null,"price":15.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/0250\/3771\/files\/1_adf7a933-2ea7-4582-ba8a-40b78aa1fb61.png?v=1780697644","url":"https:\/\/brothers-club.com\/en\/products\/quamtrax-collagen-300g","provider":"Brother's Club","version":"1.0","type":"link"}