Grass-Fed Beef Organ And Glandular Supplements
One of the most overlooked organs in modern nutrition and one of the richest natural whole-food sources of heme iron.
A single-ingredient capsule of freeze-dried bovine spleen sourced from 100% grass-fed, pasture-raised New Zealand cattle. Nothing isolated. Nothing synthetic. Nothing added.
Pure whole organ nutrition. Nothing diluted. Nothing removed.
• Naturally occurring heme iron from whole spleen tissue
• Immune-associated proteins and spleen-specific peptides in whole-food form
• Traditionally consumed across ancestral diets as a unique whole-food source of nourishment
• A nutritional profile distinct from liver, blood, and the other organs in the range
• 100% grass-fed New Zealand origin, freeze-dried by trusted partners
• Single-ingredient, non-defatted whole organ tissue
• No fillers, binders, or additives. Third-party tested.
180 capsules per bottle • 500 mg per capsule
One ingredient. Nothing added. Nothing hidden. Just the whole organ.
Couldn't load pickup availability

Why Spleen Belongs in Your Stack
Most organ supplement ranges stop at liver, heart, and kidney. Spleen is rarely included, not because it lacks nutritional value, but because it does not fit neatly into the simplified narratives that drive most supplement marketing.
The reality is straightforward. Spleen is one of the richest natural whole-food sources of heme iron found in the whole animal. It also contains immune-associated compounds and spleen-specific peptides found in no other organ. Its nutritional profile is distinct from liver, blood, heart, and kidney in ways that matter for those building a more complete nose-to-tail protocol.
If your stack does not include spleen, it has a gap.
What Bovine Spleen Naturally Provides
The spleen serves as both a blood filter and a red blood cell reservoir, making it one of the most iron-rich organs in the whole animal. It also contains naturally occurring immune-associated compounds that contribute to its distinct nutritional profile.
This dual biological role is what makes bovine spleen different. No other organ in the range delivers naturally occurring heme iron alongside spleen-specific peptides and immune-associated compounds in this same whole-food context.
Spleen delivers what no other organ in the range can.
Naturally Occurring Nutrients in Bovine Spleen
Whole bovine spleen tissue naturally contains:
- Heme iron naturally concentrated in blood-rich spleen tissue
- Spleen-specific peptides unique to splenic glandular material
- Immune-associated compounds reflecting the organ’s biological function
- Structural proteins from whole spleen tissue
- Naturally occurring trace minerals from pasture-raised New Zealand cattle
- Enzymatic cofactors preserved through freeze-drying
- Fat-soluble nutrient components naturally present in spleen tissue
Heme Iron From Whole Tissue. Not a Supplement.
There are two primary forms of dietary iron: heme iron from animal tissue and non-heme iron from plant sources and many supplemental forms.
Heme iron is delivered as part of the biological structure of animal tissue. In whole bovine spleen, it exists alongside the natural proteins and compounds that make the organ nutritionally distinct.
Bovine spleen delivers heme iron within whole organ tissue, alongside spleen-specific peptides and immune-associated compounds as they naturally occur. For those looking beyond isolated iron compounds, whole organ spleen offers a fundamentally different approach.
From New Zealand Pasture to Capsule
The nutrient profile of spleen tissue begins with the health and diet of the source animal. For a blood-rich organ where heme iron density is central to its value, sourcing matters.
New Zealand cattle graze freely on open pasture year-round. No grain-based confinement. No shortcuts in sourcing.
Every batch is fully traceable from New Zealand farm to capsule through trusted partners operating under rigorous food safety and agricultural standards.
Why Freeze-Drying Matters
Spleen tissue contains delicate proteins, peptides, and naturally occurring compounds that can be affected by high-heat processing.
Freeze-drying removes moisture without high heat, helping preserve the integrity of the whole organ in a more natural state.
For this type of whole organ tissue, freeze-drying is a preferred method of preservation.
One thing worth knowing: freeze-dried spleen capsules may have a more noticeable smell when first opened. This reflects the naturally iron-rich nature of the tissue and is not a quality concern.
Clean Formula and Transparency
Pure Formula. Full Transparency.
- Single ingredient: 100% freeze-dried bovine spleen tissue
- Non-defatted whole organ tissue
- No fillers, binders, flow agents, or synthetic additives
- Third-party tested for heavy metals
- 180 capsules per bottle at 500 mg per capsule
- Fully traceable from New Zealand pasture to capsule
One ingredient. Nothing added. Nothing hidden. Just the whole organ.
Collapsible content
How to Identify Quality
Grass-fed, pasture-raised sourcing confirmed as New Zealand origin
Freeze-dried by trusted partners, not heat-dried or desiccated
Single-ingredient with no fillers, binders, or flow agents
Non-defatted whole organ tissue preserving complete heme iron and peptide content
Third-party tested for heavy metals with microbial safety screening
Transparent sourcing and fully traceable supply chain
Frequently Asked Questions
What makes bovine spleen different from iron supplements?
Synthetic iron supplements deliver ferrous or ferric iron compounds as isolated minerals outside their natural biological context. Whole bovine spleen delivers heme iron alongside spleen-specific peptides, immune-associated proteins, and structural compounds as they naturally exist within the complete organ tissue. It provides a more complete whole food source.
How does bovine spleen differ from bovine blood?
Both are naturally rich in heme iron but deliver it within different biological contexts. Bovine blood delivers heme iron within hemoglobin structures alongside whole blood proteins and plasma-derived compounds. Bovine spleen delivers heme iron alongside immune-associated proteins and spleen-specific peptides that blood tissue alone does not provide. Together they offer a more complete blood and immune nutrition profile than either organ delivers alone.
Why is heme iron from spleen different from non-heme iron?
Heme iron is the form of iron found exclusively in animal tissue, embedded within the biological structure of the organ matrix. Non-heme iron from plant sources and synthetic supplements is delivered as a standalone mineral compound outside its natural biological context. These are fundamentally different forms of iron nutrition.
How is freeze-dried bovine spleen different from desiccated?
Freeze-drying removes moisture without heat, protecting heme iron structures, immune-associated proteins, and spleen-specific peptides. Desiccation uses heat which can denature proteins and reduce overall nutrient integrity. For spleen tissue where the integrity of iron structures and immune-associated proteins is the core value, freeze-drying is the superior method.
Why does New Zealand grass-fed sourcing matter for spleen?
The heme iron content and nutrient profile of spleen tissue is directly influenced by the diet and health of the source animal. New Zealand cattle graze freely on open pasture year-round under rigorous agricultural traceability standards. For a blood-rich organ, consistent sourcing quality is essential.
Who should not take bovine spleen capsules?
Individuals with existing medical conditions including iron-related conditions such as hemochromatosis, those taking medications, pregnant or nursing women, and those with concerns about organ-derived supplements should consult a qualified healthcare professional before use.
Built For
Those building a genuinely complete nose-to-tail organ supplement stack who understand that liver and heart alone do not cover the full spectrum of whole animal nutrition.
Those seeking naturally occurring heme iron from a whole food animal source rather than synthetic iron compounds.
Those interested in immune-associated organ nutrition from a traceable single-ingredient grass-fed source.
Important Information
Consult a qualified healthcare professional before use, particularly if you have existing medical conditions including iron-related conditions, are pregnant or nursing, or take medications. This product contains freeze-dried bovine spleen tissue and is intended to provide naturally occurring nutritional components only. It does not contain added hormones, synthetic compounds, or standardized nutrient levels. Discontinue use and consult a healthcare professional if any adverse reactions occur.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
I'm not sure if it's this Spleen supplement or the Blood supplement as I started taking both at the same time. I noticed a drastic improvement in my energy, wonder if it's the heme iron? They are both keepers.
Simple, clean supplement. Easy to take, no weird taste, and I can feel a nice little boost.
An excellent iron supplement that is both safer and more effective than traditional iron pills.
Used as a supplement to my diet to increase my iron levels.
Great product to boost iron