Research
Science & Research
The evidence
behind the organ.
We don't ask you to take our word for it. Every claim we make is grounded in peer-reviewed research. Below you'll find the studies that inform our formulation — sourced from PubMed, the world's largest database of biomedical literature.
Vitamin B12 Sources and Bioavailability
This review established that animal foods — particularly beef liver — are the primary dietary sources of bioavailable vitamin B12. The study documents that B12 from animal liver is present in its active cobalamin forms, which are directly absorbed and utilized by the body. Plant-based and synthetic B12 sources demonstrate significantly lower bioavailability and require conversion steps that many individuals cannot perform efficiently.
Beef liver is among the richest and most bioavailable sources of vitamin B12, containing up to 112mcg per 100g — over 4,600% of the daily recommended value — in active cobalamin forms the body uses directly.
Vitamin A: Biomarkers of Nutrition for Development
This comprehensive review established the superiority of preformed Vitamin A (retinol) from animal liver over plant-derived beta-carotene. Retinol from liver is directly absorbed and utilized by the body without any conversion. Beta-carotene conversion to retinol is a separate enzymatic process that is highly variable between individuals and often dramatically inefficient — meaning many people cannot reliably meet their vitamin A needs from plant sources alone.
Preformed retinol from animal liver is directly bioavailable with no enzymatic conversion required. The liver is the body's primary storage organ for vitamin A — animal liver is the gold standard dietary source.
Dietary Heme Iron Absorption: Mechanisms and Bioavailability
One of the foundational studies in iron nutrition, this research demonstrated that heme iron — found exclusively in animal tissues including liver — is absorbed by a distinct pathway that is 2–3 times more efficient than non-heme iron from plant sources. Unlike plant-source iron, heme iron absorption is largely unaffected by dietary inhibitors such as phytates, polyphenols, and calcium that significantly reduce iron uptake from grains and vegetables.
Heme iron from animal sources is absorbed at 15–35%, compared to 2–20% for non-heme iron from plants — and heme iron absorption is unaffected by dietary inhibitors that routinely block plant iron uptake.
Choline: An Essential Nutrient for Public Health
This comprehensive review established choline as an essential nutrient officially recognized by the Institute of Medicine in 1998. The review documents choline's critical roles in liver function, neurotransmitter synthesis, cell membrane integrity, and fetal brain development. Beef liver is the single richest dietary source, providing more choline per gram than eggs, fish, or any other food. The majority of the population consistently fails to reach adequate choline intake.
Beef liver provides up to 430mg of choline per 100g — more than any other food. Most adults fail to meet adequate choline intake, with documented consequences for liver health and neurological function.
Up to 112mcg per 100g. The richest dietary source. Present in active cobalamin forms — directly absorbed with no conversion required.
Preformed retinol — directly bioavailable. No conversion required. Essential for vision, immune function, and skin integrity.
The most absorbable form of dietary iron. Absorbed via a dedicated pathway unaffected by plant-based inhibitors.
Up to 430mg per 100g. Essential for liver function, neurotransmitter synthesis, and cell membrane integrity.
CoQ10 Content in Foods and Fortification Strategies
This comprehensive analysis of CoQ10 concentrations across food sources established bovine heart as the single richest dietary source. Heart tissue has the highest metabolic demand of any organ — its continuous pumping activity requires massive, uninterrupted ATP production — which directly explains its exceptional CoQ10 concentration. The study confirmed that organ meats, particularly heart, provide concentrations far exceeding any muscle meat, fish, or plant source.
Bovine heart contains approximately 11.3mg of CoQ10 per 100g — the highest concentration of any food source — with organ meats collectively representing the most CoQ10-dense foods in the human diet.
CoQ10: Absorption, Tissue Uptake, Metabolism and Pharmacokinetics
This study reviewed the absorption, metabolism and pharmacokinetics of CoQ10, establishing its fundamental role as an electron carrier in the mitochondrial electron transport chain — the mechanism that produces ATP in every cell. The research demonstrated that dietary CoQ10 from food sources is absorbed and incorporated into tissues, contributing to the body's endogenous CoQ10 pool that drives cellular energy production. CoQ10 levels naturally decline with age, making dietary sources increasingly important.
Dietary CoQ10 is absorbed and incorporated into tissues, where it functions as an essential electron carrier in mitochondrial ATP production — the fundamental mechanism behind cellular energy in every organ.
CoQ10 Effect on Morbidity and Mortality in Chronic Heart Failure: Q-SYMBIO Trial
The Q-SYMBIO randomized controlled trial enrolled 420 patients with moderate to severe chronic heart failure, randomly assigned to CoQ10 300mg daily or placebo for two years. This is the largest and most rigorous trial of CoQ10 for cardiovascular health, establishing CoQ10 as a critical nutrient for heart function. Patients receiving CoQ10 showed significantly fewer major adverse cardiovascular events, reduced cardiovascular mortality, and improved symptoms compared to placebo.
CoQ10 supplementation reduced major adverse cardiovascular events by 43% and significantly reduced cardiovascular mortality compared to placebo over 2 years — establishing CoQ10 as a clinically important cardiac nutrient.
Protein Digestibility-Corrected Amino Acid Score (PDCAAS)
This foundational paper established PDCAAS as the FAO/WHO-adopted standard for measuring dietary protein quality in human nutrition. The method compares essential amino acid profiles against human requirements and corrects for digestibility. Animal proteins including organ meats score at or near 1.0 — the maximum — confirming they provide all essential amino acids in the proportions required by the human body, making them complete protein sources superior to most plant proteins.
Animal proteins, including organ meats like bovine heart, achieve PDCAAS scores at the maximum of 1.0 — confirming they supply all nine essential amino acids in proportions that fully meet human requirements.
~11.3mg per 100g. The richest dietary source. Essential for mitochondrial ATP production and cellular energy metabolism.
High concentration of active cobalamin. Supports red blood cell formation, neurological function, and DNA synthesis.
Highly bioavailable zinc bound to animal protein. Critical for immune function, testosterone production, and wound healing.
Organic selenomethionine — the most bioavailable form. Essential for thyroid function and antioxidant defence.
Fatty Acid Profiles and Antioxidant Content in Grass-Fed vs Grain-Fed Beef
This comprehensive review of three decades of research compared the nutritional profiles of grass-fed versus grain-fed cattle. Grass-fed beef consistently demonstrated higher concentrations of omega-3 fatty acids, conjugated linoleic acid (CLA), and fat-soluble vitamins. The differences were particularly pronounced in organ tissues, where nutrient concentrations are already elevated compared to muscle meat, and where the effects of diet are amplified.
Grass-fed beef contains significantly higher omega-3 fatty acids and CLA than grain-fed beef, with a more favorable omega-6 to omega-3 ratio — and elevated levels of fat-soluble vitamins A, D, and E.
Vitamin K: An Old Vitamin in a New Perspective
This review identified grass-fed animal products as a primary dietary source of Vitamin K2 (MK-4), a form of vitamin K critical for calcium metabolism, cardiovascular health, and bone density. Unlike Vitamin K1 from plants, K2 (MK-4) is synthesized in animal tissues through a conversion process that is activated by grass consumption — meaning grain-fed animals produce significantly less K2, and plant foods contain virtually none.
Vitamin K2 (MK-4) is found in grass-fed animal products and is largely absent from grain-fed equivalents. It cannot be reliably obtained from plant foods — making grass-fed organ meats a uniquely important dietary source.
CoQ10 Contents in Foods and Fortification Strategies
This analysis of CoQ10 content across food sources found that organ meats from metabolically active animals have the highest CoQ10 concentrations. The heart, being the most continuously active muscle in the body, accumulates CoQ10 at levels far exceeding any other tissue. The research confirms that pasture-raised cattle with greater physical activity and superior micronutrient intake produce organ meats with elevated CoQ10 content.
CoQ10 concentration in heart tissue reflects metabolic demand and activity level — pasture-raised, grass-fed cattle demonstrate higher physical activity and micronutrient status, correlating with elevated cardiac CoQ10 content.
New Zealand Pasture-Based Farming & Animal Welfare
New Zealand operates under some of the world's strictest agricultural and animal welfare standards. With year-round outdoor grazing on naturally fertilized pastures, New Zealand cattle are never confined to feedlots. The country prohibits routine antibiotic use and growth hormone administration. Independent research confirms that New Zealand pasture-raised cattle consistently produce organ meats with superior nutritional profiles.
New Zealand's pasture-based system delivers year-round grass access, no feedlot confinement, no growth hormones, and no routine antibiotics — setting the global benchmark for clean, nutrient-dense organ meat sourcing.
Hot Air and Freeze-Drying of High-Value Foods: A Review
This landmark food engineering review compared freeze-drying and hot air drying across multiple food categories, establishing freeze-drying as the gold standard for preserving the quality of high-value nutritional products. The review demonstrated that hot air drying causes significant structural damage, color loss, and nutrient degradation, while freeze-drying preserves the original cellular architecture, nutrient integrity, and bioactivity that heat-based methods destroy.
Freeze-drying consistently outperforms hot air drying in preserving the nutritional quality, cellular structure, and bioactive content of high-value foods — establishing it as the processing method of choice where nutrient integrity is paramount.
Enzyme Degradation During Drying
Research on enzyme stability during food processing established that heat-based drying causes irreversible enzyme denaturation — permanently destroying the biological activity of enzymes present in organ meats. Enzymes including proteases, lipases, and oxidoreductases act as critical co-factors that enhance nutrient absorption and metabolic function. Freeze-drying, operating below -40°C, preserves enzymatic activity because temperatures remain well below the denaturation threshold of these proteins.
Heat processing irreversibly denatures the enzymes naturally present in organ meats — permanently eliminating their biological activity. Freeze-drying at sub-zero temperatures preserves full enzymatic integrity.
Key Composition Optimization of Meat by Vacuum Freeze-Drying Technology
This research on freeze-dried meat confirmed that vacuum freeze-drying technology causes no loss of fat-soluble vitamins A and D in meat products, while heat-based drying causes significant degradation of these same nutrients. Fat-soluble vitamins — precisely those most abundant in organ meats — are highly susceptible to oxidation and heat degradation. The vacuum environment in freeze-drying prevents the oxidative breakdown that destroys fat-soluble vitamins during conventional heat processing.
Freeze-drying causes no loss of fat-soluble vitamins A and D in meat — the same vitamins that are most depleted by heat-based processing methods used in conventional supplement manufacturing.
Bioavailability of Micronutrients from Nutrient-Dense Whole Foods
This peer-reviewed review from Wageningen University established that nutrients delivered in their intact food matrix — with all co-factors, enzymes, and carrier proteins present — consistently demonstrate superior bioavailability compared to isolated equivalents. Freeze-drying is the only processing method that preserves this intact food matrix.
Nutrient bioavailability from whole foods differs fundamentally from isolated supplements due to synergistic interactions between co-factors, enzymes, and carrier proteins — which freeze-drying uniquely preserves.
* These statements have not been evaluated by the European Food Safety Authority (EFSA) or any national regulatory body. Raw Matter Daily Vitality is a food supplement, not a medicinal product, and is not intended to diagnose, treat, cure, or prevent any disease. The research cited above represents the findings of independent scientific studies and does not constitute a claim that our product produces identical outcomes. Individual results may vary.
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