Primal Iron – Grass-Fed Beef Spleen
Nature's most bioavailable iron source. Pure grass-fed beef spleen delivering heme iron for energy, immunity, and optimal blood health without digestive issues.
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Superior Bioavailable Iron
Beef spleen is nature's most concentrated source of heme iron—the form your body absorbs 3-5x better than plant-based or synthetic iron.
Heme vs Non-Heme Iron
Heme iron from spleen is absorbed at 15-35% compared to just 2-20% from plant sources and synthetic supplements.
No Digestive Issues
Unlike synthetic iron that causes constipation and nausea, natural heme iron is gentle on your stomach and easily tolerated.
Energy & Immunity
Spleen also delivers immune-supporting peptides and compounds that synthetic iron supplements simply cannot provide.
Why Choose Beef Spleen?
Superior Iron Absorption
Heme iron is absorbed 3-5x better than non-heme sources, rapidly restoring healthy iron levels without side effects.
Eliminates Fatigue
Optimal iron levels restore energy by improving oxygen delivery to cells and supporting cellular energy production.
Immune Function
Spleen is rich in immune-supporting peptides, proteins, and compounds that strengthen your body's natural defenses.
Athletic Performance
Adequate iron improves endurance, strength, and recovery by optimizing oxygen transport to working muscles.
Cognitive Clarity
Iron supports neurotransmitter synthesis and brain oxygenation for improved focus, memory, and mental performance.
Gentle on Stomach
Natural heme iron doesn't cause the constipation, nausea, or digestive upset common with synthetic supplements.
The Heme Iron Advantage
Scientific studies consistently demonstrate heme iron's superior absorption and efficacy compared to all other iron sources.
Absorption Rate
Heme iron absorbs at 15-35% compared to 2-20% for non-heme sources, rapidly restoring levels.
No Inhibitors
Unlike plant iron, heme iron absorption isn't blocked by phytates, tannins, or calcium in your diet.
Gentle Digestion
Natural heme iron doesn't cause oxidative stress in the gut that triggers constipation and nausea.
Oxygen Transport
Iron is essential for hemoglobin production, ensuring efficient oxygen delivery to every cell.
Energy Metabolism
Iron-containing enzymes are crucial for cellular energy production in mitochondria.
Immune Function
Optimal iron status supports immune cell proliferation and pathogen-fighting capabilities.
Uncompromising Quality Standards
Every Mapleroo product meets the highest standards for purity, sourcing, and ethical production.
100% Australian
Sourced from grass-fed cattle raised on pristine Australian pastures without hormones or antibiotics.
Grass-Fed & Finished
Cattle graze on nutrient-rich pastures their entire lives, resulting in superior organ nutrition.
Freeze-Dried
Gentle freeze-drying preserves heat-sensitive nutrients, enzymes, and cofactors for maximum potency.
Third-Party Tested
Every batch independently tested for purity, heavy metals, and contaminants by accredited laboratories.
No Fillers
Pure organ tissue with no binders, flow agents, or unnecessary additives—just ancestral nutrition.
Capsules & Powder
Choose convenient capsules for on-the-go or versatile powder to mix into smoothies and recipes.
GMP Certified
Manufactured in GMP-certified facilities following pharmaceutical-grade quality control standards.
Sustainable
Ethical nose-to-tail practices honor the animal and reduce waste through complete utilization.
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*These statements have not been evaluated by the TGA. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare professional before use, especially if pregnant, nursing, taking medication, or have a medical condition. Individual results may vary. For best results, use consistently as part of a balanced diet and healthy lifestyle.