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Mark Sloan
The Research-Backed Path
to Thyroid Renewal
#1 International bestselling author Mark Sloan has spent 15 years uncovering the hidden factors behind thyroid suppression — and the ancestral tools that help restore it. This page is exclusively for his readers.
The Voice Behind
the Metabolic Revolution
After losing his mother to cancer at age 12, Mark Sloan committed his life to uncovering the hidden truths behind chronic disease. His research led him to a surprising discovery: compromised thyroid function — not genetics — sits at the root of most modern metabolic illness.
With over 300 published articles, more than 2,400 scientific and clinical references across his books, and an audience of hundreds of thousands, Mark has become one of the world's most trusted voices in evidence-based ancestral health.
#1 International Bestselling Books
Cancer: The Metabolic Disease Unravelled
Red Light Therapy: Miracle Medicine
The Ultimate Guide to Methylene Blue
What Mark's 15 Years of Research
Revealed About Thyroid Health
The thyroid isn't just a gland — it is the master regulator of your metabolism, immunity, and long-term resilience.
PUFAs Actively Suppress Your Thyroid
Mark's research in Cancer: The Metabolic Disease Unravelled documents five distinct mechanisms by which polyunsaturated fatty acids block thyroid hormone production and conversion — lowering cellular energy across every organ system.
Metabolic Rate Is the Foundation of All Health
Every function in the body — immune defence, hormonal balance, cognitive clarity, tissue repair — depends on adequate thyroid output. Restore metabolic rate and the body's inherent healing capacity follows.
"Like Supports Like" — The Ancestral Principle
For thousands of years, traditional cultures consumed organ meats and glandular tissue not by accident but by design. The concentrated nutrients, co-factors, and peptides in thyroid and liver tissue directly nourish the same systems in the human body.
Nutrient Density Determines Thyroid Output
Selenium, zinc, iodine, copper, retinol (true vitamin A), B12 and CoQ10 are each essential to thyroid hormone synthesis. Beef liver is nature's most concentrated source of nearly all of these co-factors simultaneously.
Glandular Therapy Has a Clinical History
Before synthetic hormone replacement dominated medicine, desiccated thyroid glandular was the standard of care for hypothyroidism — with decades of documented clinical outcomes. Mark's research traces this evidence-based lineage.
Modern Diets Create a Perfect Storm of Deficiency
Seed oils, processed foods and nutrient-stripped produce have converged to create widespread, under-diagnosed hypothyroidism. Mark calls this the silent epidemic driving the explosion in metabolic disease.
Thyroid function is the cornerstone of human metabolism. When it falters — even subtly — every system in the body pays the price. Restore it, and you restore the body's capacity to heal itself.
— Mark Sloan, Research Theme · Cancer: The Metabolic Disease Unravelled
Why Mark Recommends
This Combination
Thyroid glandular and grass-fed beef liver work through complementary — and synergistic — pathways to support the body's metabolic engine.
Thyroid Glandular
- →Provides authentic glandular peptides and natural co-factors that directly support the thyroid gland's own function
- →Contains naturally occurring T2 and T3 precursors absent from synthetic hormone replacements
- →Supplies selenium — the critical mineral required for T4-to-T3 conversion in peripheral tissues
- →Sourced exclusively from grass-fed, pasture-raised cattle — clean of pesticides and endocrine disruptors
- →Freeze-dried at low temperature to preserve the full bioactive nutrient matrix
Beef Liver Gentle
- →Nature's most nutrient-dense food: concentrated retinol, B12, copper, CoQ10, choline and folate
- →Retinol (preformed Vitamin A) is required for thyroid hormone receptor activation at the cellular level
- →Copper and zinc in bioavailable whole-food form support the enzyme systems that produce thyroid hormones
- →Supports liver detoxification — a prerequisite for efficient thyroid hormone clearance and recycling
- →"Gentle" formulation — low-heat processed to maximise digestibility for sensitive systems
Mark Sloan's Recommended Products
at Special Reader Pricing
Select your products below and check out directly — code SLOAN is pre-loaded in your cart.
Grass-fed, pasture-raised whole thyroid glandular — freeze-dried to preserve the full spectrum of naturally occurring co-factors, peptides and selenium. Mark's foundation supplement for metabolic renewal.
Code SLOAN saves 20% — applied automatically at checkout
- Grass-fed & pasture-raised glandular
- Freeze-dried to preserve co-factors
- No fillers, binders or seed oils
- Third-party tested for purity
Code SLOAN auto-applies 20% off at checkout
Nature's most nutrient-dense food in a low-heat, gentle formulation — maximising retinol, B12, copper, CoQ10 and choline. The essential co-factor base for thyroid hormone activation.
Code SLOAN saves 20% — applied automatically at checkout
- Grass-fed & grass-finished
- OrganEase™ — zero nausea formula
- Retinol, B12, copper, CoQ10 & choline
- No synthetic vitamins or additives
Code SLOAN auto-applies 20% off at checkout
How to Redeem Your Discount
Choose Your Products
Select Thyroid Glandular, Beef Liver Gentle, or both — and add your chosen quantity to your cart.
Enter Code at Checkout
At checkout, enter SLOAN in the discount field. Your savings apply instantly — 20% on singles, 40% on the 4-pack bundle.
Begin Your Protocol
Follow Mark's recommendation: take both products daily for a minimum of 60 days to experience the full benefit of combined glandular support.
Mark Sloan Reader-Only Offer
Ready to Restore
Your Metabolic Foundation?
This exclusive offer is only available to Mark Sloan's readers. Code SLOAN is your private key — not available on the main store.
20% off single bottles · 40% off the 4-pack bundle · Code SLOAN applies at checkout