Grass-fed beef liver
The most nutrient-dense food on earth. Vitamin A, B12, copper, heme iron.
The single most nutrient-dense food on earth.*Liver, heart, kidney, bone marrow — the most nutrient-dense foods on earth. Every traditional culture ate them first. Modern dinner plates don't. We freeze-dried the four organs into two capsules. 100% grass-fed New Zealand pasture. No fillers. No synthetics.

The food my grandparents ate. Without the prep.
Four organs — liver, heart, kidney, bone marrow — from 100% grass-fed New Zealand cattle, freeze-dried into capsules. Plus three cofactors most multivitamins skip entirely: magnesium glycinate, zinc picolinate, BioPerine.
Seven ingredients. Zero fillers. Zero synthetics. The food the human body has recognized for 200,000 years — minus the Sunday cleanup.


100% grass-fed, finished on grass. No hormones. No grain. Freeze-dried within hours of harvest to preserve every cofactor — the way nature packaged them.

Pennsylvania Farm Show · c. 2003
I grew up showing cattle in 4H in Pennsylvania. I knew where my food came from.
Then college, the standard American diet, and years of being a flatter, foggier version of myself — assuming that was just adulthood. It wasn't. It was the food.
Well-raised beef is the most nutrient-dense food on earth. The densest part — the part every traditional culture ate first — is the organs. Liver. Heart. Kidney. Bone marrow. Modern science calls them superfoods. My grandparents called them dinner.
NutraVantix is me putting them back. Four organs, freeze-dried into two capsules. 100% grass-fed New Zealand pasture. No fillers. No synthetics.
— Clay, Founder
Four organs. Three cofactors. One absorption multiplier. The seven things your body has run on for 200,000 years.
The most nutrient-dense food on earth. Vitamin A, B12, copper, heme iron.
The single most nutrient-dense food on earth.*Richest dietary source of CoQ10. Plus B-vitamins and bioavailable selenium.
Recovery, stamina, mitochondrial output.*Highest-density selenium source in the diet, plus B12 and DAO enzyme.
Often skipped because nobody wants to cook it. Capsule fixes that.*The fats and lipids your hormones are literally synthesized from.
The hardest organ to source raw. Now solved.*The most underdosed mineral in the modern diet. Sleep, stress axis, free T.
Most carnivores are still low on magnesium. Soil depletion.*Most bioavailable form. Tied directly to T production and immune output.
Even with red meat, modern intake often lags requirement.*Clinically-studied absorption enhancer. Multiplies uptake of fat-soluble nutrients.
Small input, real difference in what your body actually uses.*Heme iron + B12 + CoQ10 stack — without the post-meal slump.*
Magnesium glycinate layer that most ancestral protocols skip.*
B-complex from real food, not synthetic methylated junk.*
The heart-CoQ10 piece your liver-only protocol was missing.*
Zinc + selenium + vitamin A — the trio you can't fake with a multi.*
The cholesterol-adjacent fats from marrow your body builds hormones from.*
Individual results. Testimonials reflect individual experiences and may not reflect the typical purchaser's experience. Results vary.

"I'd been doing everything right for three years. Clean eating, walking, weights. The scale wouldn't move. Two months on this and I dropped 14 pounds without changing anything else. The bloat just released."*

"45, lifting four times a week, sleeping fine, and still flat. Doc said T was 'low normal.' Three weeks on this and the morning thing started showing up again. Wife noticed before I did."*

"Took a daily multi for fifteen years and never felt anything. Two weeks on this and the afternoon fog lifted. The multi was placebo. This is the real thing."*
A 90-day window is what most ancestral protocols recommend for nutrient catch-up. Multi-bottle bundles give the deepest discount.