UPC: 733739024329
# N2432

Product Overview & Quick Specs

Think of your liver like a central engine oil filter that constantly purifies the fluid running through your body. When daily demands increase, the filter requires both high-grade fuel and a sturdy protective shield. NOW Liver Extract Caps combine nutrient-dense defatted beef liver powder with standardized milk thistle extract to supply foundational cellular fuel while supporting the body's natural cleansing pathways.

Quick Specs Snapshot

  • ✓ Active Form & Potency: Delivers 1,000 mg (1 g) of pure defatted BSE-free beef liver powder combined with 100 mg of milk thistle extract (standardized to 80% silymarin flavonoids, yielding 80 mg) per 2-capsule serving.
  • ✓ Primary Target: Promotes liver tissue maintenance (hepatocytes), natural Phase II detox pathways, and cellular vitality.
  • ✓ Supply & Value: 100 capsules per bottle provide 50 full servings, offering an economical 50-day supply of synergistic organ and botanical support.
  • ✓ Purity & Dietary Status: Certified BSE-free bovine sourcing, non-GMO, packaged in a 100% PCR recycled bottle, and produced free of gluten, soy, wheat, dairy, and eggs.

Buyer's Guide & Form Comparison

Why the Defatted Whole-Food Matrix Matters

Think of whole raw liver like an unsealed container of cooking oil; the fats spoil quickly when exposed to warm air. Cheaper organ supplements often skip the delicate defatting process, leaving residual fats that can turn rancid and cause digestive upset. NOW gently removes the fats while preserving the intact cellular matrix of naturally occurring peptides, amino acids, and minerals [1]. Furthermore, pairing this whole-food matrix with milk thistle extract standardized to 80% silymarin guarantees consistent biological activity that raw, unstandardized botanical powders simply cannot match [2].

Is This Formula Right for You?

Best Choice For:

  • ✓ Individuals seeking whole-food nutritional building blocks to maintain healthy liver enzyme activity and metabolic endurance [1, 2].
  • ✓ Shoppers who want the proven benefits of traditional organ meats without the pungent taste or culinary hassle of cooking fresh liver.
  • ✓ Those wanting dual-action support combining ancestral glandular nutrition with clinically validated herbal silymarin flavonoids [2, 3].

Consider Another Option If:

  • ✗ You adhere to a strict vegetarian or vegan lifestyle, as this formula contains bovine liver and a bovine gelatin capsule shell.
  • ✗ You have a diagnosed botanical allergy to plants in the ragweed, daisy, or Asteraceae family, which includes milk thistle.
  • ✗ You have a medical condition requiring strict restriction of dietary iron intake, such as hemochromatosis.
VitaNet®, LLC Store Guarantee: Backed by our 31-year reputation, every purchase is protected by our unconditional 100% money-back guarantee—even on opened bottles—allowing you to evaluate your digestive comfort and vitality completely risk-free.

How It Works in the Body

Think of your body's cells like a bustling workshop. To build sturdy structures, the workers need specialized pre-cut raw materials and a reliable security shield to keep out stray debris. This formula operates through two cooperative biochemical actions.

1. The Pre-Formed Cellular Toolbox (Defatted Bovine Liver)

Bovine liver powder serves as a concentrated, whole-food matrix of vital micronutrients [1]. Unlike synthetic, isolated lab chemicals, liver provides essential trace minerals, amino acids, and B-vitamins in their biologically complete configurations [1]. These natural complexes enter cellular energy cycles directly, supporting mitochondrial ATP generation and supplying the raw peptides required for ongoing tissue repair [1].

2. The Outer Cell Membrane Shield (Silymarin Flavonoids)

Milk thistle seeds contain active bioflavonoids known collectively as silymarin, predominantly silybin (chemical formula: C25H22O10) [2, 3]. Think of silymarin like a weatherproofing sealant applied to exterior brickwork. It stabilizes the outer lipid membrane of liver cells (hepatocytes), preventing unwanted metabolic waste products and foreign compounds from penetrating the cell interior [2, 3].

3. Stimulating Internal Protein Assembly

Inside the cell nucleus, silymarin gently stimulates a specialized enzyme (RNA polymerase I) [3, 4]. This enzyme speeds up the creation of ribosomal RNA, prompting cells to manufacture fresh structural proteins and protective enzymes [3, 4]. At the same time, silymarin supports normal intracellular glutathione reserves, helping the liver maintain its master antioxidant cleanup system [2, 4].

Daily Timing, Synergy & Realistic Timelines

Best Time to Take & Meal Pairing

Take 2 capsules daily with a meal and a full glass of water (chemical formula: H2O). Ingesting glandular proteins alongside dietary meals stimulates gastric acid and digestive proteases, ensuring smooth breakdown of the bovine powder without stomach heaviness [1].

Daily Schedule: Morning vs. Evening

Taking your serving with breakfast or lunch is ideal. Because natural liver nutrients support cellular energy metabolism, morning or midday dosing aligns perfectly with your body's active daylight hours. You can take both capsules together with breakfast or split them: 1 capsule with breakfast and 1 capsule with lunch.

Smart Pairings & Spacing Rules

  • ✓ Synergistic Partners: Pair with Vitamin C or Alpha Lipoic Acid to boost intracellular antioxidant recycling, or combine with Artichoke Extract to encourage smooth digestive bile flow [2, 4].
  • ✗ 2-Hour Separation Window: If you take prescription medications metabolized by the liver's cytochrome P450 pathway, or high-dose calcium antacids that inhibit mineral uptake, allow a 2-hour window between taking those compounds and this supplement [2, 3].

What to Expect Over Time

Days 1–7: Rapid digestive breakdown delivers amino acid peptides and silymarin flavonoids into circulation, establishing early cellular antioxidant defense [1, 2].

Weeks 3–4: Consistent tissue saturation takes effect. Liver cell membranes maintain steady structural stability, supporting smooth waste processing and steady everyday energy [2, 3].

Months 2–3+: Long-term nutritional equilibrium. Cumulative cellular nourishment promotes ongoing liver cell renewal, metabolic resilience, and sustained whole-body vitality [1, 4].

Physical Feel, Sensory Traits & Clean Ingredients

Pill Format & Ease of Use

NOW Liver Extract Caps are encapsulated in smooth, two-piece bovine gelatin capsules (Size "00", measuring roughly 23 mm). The slick gelatin surface slides down easily with a swallow of water, avoiding the rough, chalky texture of pressed tablets. If you prefer not to swallow whole capsules, you can pull the two halves apart and mix the contents into warm bone broth, tomato soup, or a savory stew.

Natural Aroma, Taste & Color

Opening the bottle reveals a rich, savory aroma reminiscent of roasted bouillon. This scent confirms authentic, unadulterated beef liver and herbal extract. Swallowed whole, the capsule has no flavor. The powder inside presents a natural, speckled dark tan-to-brown color. Minor color variations between batches are completely normal and reflect genuine seasonal harvests.

Other Ingredients Demystified

  • ✓ Bovine Gelatin (BSE-free) (capsule): A clean, protein-based shell made from certified disease-free cattle that seals active nutrients away from air and dissolves in the stomach within minutes.
  • ✓ Microcrystalline Cellulose: Purified plant fiber that serves as a gentle, inert flow agent, ensuring exact milligram consistency in every capsule.
  • ✓ Ascorbyl Palmitate: A fat-soluble ester of Vitamin C that acts as a natural antioxidant preservative, protecting delicate liver compounds against oxidation.
  • ✓ Silicon Dioxide: A pure, naturally occurring mineral compound that absorbs ambient humidity during bottling, preventing powder caking.

Proper Storage & Eco-Conscious Bottle

Store tightly closed in a cool, dry pantry away from excessive heat, sunlight, and bathroom steam. Every bottle is manufactured from 100% post-consumer recycled (PCR) resin, keeping plastic out of landfills while protecting nutrients from light degradation.

Manufacturer Quality & Lab Testing Standards

Never gamble on commodity big-box store vitamins. Supermarket and discount house brands frequently purchase bulk unvetted animal powders from low-cost overseas suppliers. Independent investigations regularly find mass-market glandulars burdened with heavy metals, microbial adulterants, or cheap unlisted fillers. NOW Foods guards your wellness with one of the most comprehensive analytical safety operations in North America:

  • ✓ ISO/IEC 17025 Accredited In-House Laboratories: NOW operates advanced analytical testing facilities performing over 19,000 separate tests and assays every month.
  • ✓ Parts-Per-Billion Heavy Metal Screening (ICP-MS): Using Inductively Coupled Plasma Mass Spectrometry, every raw material lot is tested for lead, arsenic, cadmium, and mercury, comfortably surpassing USP and California Proposition 65 limits.
  • ✓ Potency & Botanical Verification (HPLC & HPTLC): High-Performance Liquid Chromatography verifies that the milk thistle extract yields the exact guaranteed 80 mg of active silymarin flavonoids, while HPTLC confirms authentic species identity.
  • ✓ Microbial Pathogen Clearance: Automated culture testing certifies total absence of dangerous biological contaminants, including Salmonella, Escherichia coli, and Staphylococcus aureus.
  • ✓ Independently Audited cGMP Facilities: Manufacturing sites are inspected and certified by UL Solutions under FDA 21 CFR Part 111 Good Manufacturing Practice regulations.

Complete Supplement Facts Panel

Supplement Facts

Serving Size: 2 Capsules

Servings Per Container: 50

Description Amount per Serving % Daily Value
Beef Liver Powder (Defatted) (BSE-free) 1 g (1,000 mg) **
Milk Thistle Extract (Silybum marianum) (Fruit/Seed)
(Standardized to 80 mg Silymarin Flavonoids)
100 mg **

** Daily Value not established.

Other Ingredients: Bovine Gelatin (BSE-free) (capsule), Microcrystalline Cellulose, Ascorbyl Palmitate and Silicon Dioxide.

Allergen Statement: Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.

Natural color variation may occur in this product. Made and quality tested in the USA with globally sourced ingredients. Store in a cool, dry place after opening. Family and Employee Owned. This bottle is made from 100% PCR (post-consumer recycled) resin.

Curator's Quality Note & Store Heritage

Manufactured by NOW Foods in an audited, cGMP-certified facility. Hand-selected, scientifically vetted, and dispatched directly by VitaNet®, LLC. Established in 1995 in Hartville, Ohio, VitaNet® brings over 31 years of dedicated supplement curation and nutritional biochemistry expertise straight to your home. Every order ships from climate-controlled warehouses backed by our BBB A+ accredited customer team.

FDA Disclaimer: 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.

Scientific References & Clinical Studies

  1. Kang SW, Kim HM, Rahman MS, Kim AN, Yang HS, Choi SG. "Nutritional Quality and Physicochemical Characteristics of Defatted Bovine Liver Treated by Supercritical Carbon Dioxide and Organic Solvent." Korean Journal for Food Science of Animal Resources, 2017; 37(1): 29–37. [PMID: 28316468]
  2. Gillessen A, Schmidt HH. "Silymarin as a Supportive Treatment in Liver Diseases: A Narrative Review." Advances in Therapy, 2020; 37(4): 1278–1301. [PMID: 32065376]
  3. Wellington K, Jarvis B. "Silymarin: a review of its clinical properties in the management of hepatic disorders." BioDrugs, 2001; 15(7): 465–489. [PMID: 11520257]
  4. Vargas-Mendoza N, Madrigal-Santillán E, Morales-González A, Esquivel-Soto J, Esquivel-Chirino C, García-Luna Y, González-Reyes M, Morales-González JA. "Hepatoprotective effect of silymarin." World Journal of Hepatology, 2014; 6(3): 144–149. [PMID: 24672644]

Frequently Asked Questions

Can I open the capsules and mix the powder into meals?

Yes, you can easily open the two-piece gelatin capsules and blend the powder into warm bone broth, savory soups, chili, or gravy. Because it is genuine defatted beef liver, it possesses a naturally rich, meaty flavor that integrates seamlessly into warm, savory dishes. Avoid mixing it into cold sweet beverages or fruit smoothies, where the natural savory aroma would taste out of place.

Why is beef liver powder paired with milk thistle in this formula?

This combination provides a complete dual-action approach to liver support. Defatted beef liver supplies essential dietary peptides, trace elements, and cellular building blocks to nourish liver tissue from within [1]. Simultaneously, standardized milk thistle extract delivers protective silymarin flavonoids that help shield liver cell membranes from external free-radical stress and environmental byproducts [2, 3].

What does 'defatted' mean and why is it important for liver supplements?

Defatting is a specialized processing technique that gently removes the delicate fats from raw liver while leaving the vital protein, peptide, and mineral structures intact [1]. Untreated fats in dried organ meats oxidize rapidly upon exposure to room air, turning rancid and causing unpleasant digestive repeating or nausea. Defatting ensures long-term shelf stability, superior digestive tolerance, and maximum nutrient concentration per capsule [1].

Will taking NOW Liver Extract Caps break an intermittent fast?

Yes. Because each 2-capsule serving contains 1,000 mg of protein-rich bovine liver powder, it supplies whole-food amino acids that stimulate digestive enzymes and trigger cellular nutrient sensing pathways. To preserve a strict intermittent fast, take your daily serving with your first whole-food meal when breaking your fast.

How does NOW Foods ensure this organ supplement is free from contaminants?

NOW Foods screens every raw ingredient lot in its own ISO/IEC 17025-accredited analytical laboratories. Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS), technicians analyze each batch down to parts-per-billion levels for toxic heavy metals including lead, arsenic, cadmium, and mercury. Furthermore, the bovine raw material is certified BSE-free, and thorough microbiological assays verify total absence of pathogenic bacteria.

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