CORAL CALCIUM 1000MG - 250 VCAPS

Executive Overview: Whole-Matrix Fossilized Mineral Support

NOW® Coral Calcium 1000 mg delivers bioavailable, alkaline-supporting elemental calcium sourced exclusively from eco-harvested, above-sea fossilized coral beds. Every single-capsule serving provides 350 mg of elemental calcium (27% Daily Value) complexed within a natural marine mineral lattice alongside trace elements. This formula targets skeletal hydroxyapatite calcification, neuromuscular transmission, and metabolic acid-base equilibrium without disrupting living oceanic ecosystems.

Quick Specs Snapshot

• Active Form & Potency: 1,000 mg Fossilized Coral Calcium yielding 350 mg of elemental calcium (27% DV) per single vegetarian capsule.
• Primary Cellular Target: Osteoblast-mediated bone mineralization, intracellular secondary messenger signaling, and extracellular alkaline buffer reserve.
• Supply & Value Math: 100 servings per bottle (over a 3-month continuous supply at 1 capsule daily) providing clean mineral support for pennies per day.
• Formulation Purity: Non-GMO, allergen-free (no gluten, soy, dairy, nuts, or shellfish), verified non-radiation marine source, packaged in a 100% Post-Consumer Recycled (PCR) resin bottle.

Right-Fit Buyer's Guide & Form Comparison

Why the Form Matters: Standard commercial calcium supplements rely heavily on mined limestone or chalk (geological calcium carbonate), which possesses a dense, non-porous crystalline lattice that requires aggressive stomach acid to ionize and frequently causes lower GI heaviness or bloating. In contrast, NOW® Fossilized Coral Calcium provides an organic, porous micro-crystalline structure naturally intertwined with trace marine cofactors, yielding favorable ionization characteristics and supporting systemic acid-base balance [1, 2]. Because it is sourced strictly from above-ground fossilized deposits, it eliminates ecological marine disruption while avoiding the heavy industrial contaminants common to lower-grade mined rock sources.

Is This Formula Right for You?

Ideal For Shoppers Who:

• Seek an authentic, whole-matrix mineral source to reinforce skeletal density, teeth enamel, and structural collagen frameworks.
• Want a naturally alkaline mineral profile to assist physiological buffering against modern high-protein or acid-forming diets.
• Prefer an easy, single-capsule daily protocol over swallowing multiple bulky, compressed horse tablets.

Consider Another Option If:

• You suffer from documented hypochlorhydria (severely low stomach acid) or take high-dose daily proton pump inhibitors (PPIs); an acid-independent chelate such as Calcium Citrate or Bisglycinate may be better suited for empty-stomach absorption.
• You are looking for an all-in-one pre-mixed blend containing high-dose vitamins D3, K2, and magnesium in a single pill (though this formula stacks seamlessly with separate D3/K2 cofactors).
• You require an unflavored loose bulk powder for feeding tubes or custom beverage formulation.

Every order placed with VitaNet®, LLC is backed by an unconditional 100% money-back guarantee—including paid return shipping even on opened bottles—giving you complete peace of mind to evaluate your digestive comfort and vitality risk-free[cite: 1].

Biochemical Mechanism & Cellular Pathways

Calcium functions as both the primary architectural mineral of the human skeleton and a critical intracellular secondary messenger governing signal transduction, muscular excitation-contraction coupling, and enzymatic cascades [4]. Inside osseous tissue, ionic calcium ($Ca^{2+}$) combines with inorganic phosphate to construct the hydroxyapatite crystalline matrix ($Ca_{10}(PO_4)_6(OH)_2$). Osteoblasts continuously utilize serum calcium to lay down new trabecular and cortical bone, neutralizing normal osteoclastic bone resorption and preserving bone structural stiffness over time [2].

At the neuromuscular level, depolarization of motor neurons opens voltage-gated calcium channels, promoting acetylcholine exocytosis across synaptic clefts. Once inside skeletal and cardiac myocytes, $Ca^{2+}$ binds troponin C, initiating conformational shifts in tropomyosin that permit actin-myosin cross-bridge cycling and physical muscle contraction.

Fossilized coral calcium further serves as an alkaline reservoir. When dietary acids enter circulation, the body maintains strict extracellular pH (7.35–7.45) by utilizing endogenous bicarbonate and alkaline salts. The carbonate ions and marine trace elements present in coral calcium directly support this buffering equilibrium ($H^+ + HCO_3^- \leftrightarrow H_2CO_3 \leftrightarrow H_2O + CO_2$), preventing the homeostatic withdrawal of calcium ions from skeletal bone reserves [1, 2].

Scientific References

1. [1] Ishitani, K., et al. (1999). Calcium absorption from the ingestion of coral-derived calcium by humans. Journal of Nutritional Science and Vitaminology, 45(5), 509–517.
2. [2] Fujita, T., et al. (2000). Decreased bone mineral density and any fractures in osteoporotic patients: mineral balance and coral calcium supplementation. Journal of Bone and Mineral Metabolism, 18(4), 212–215.
3. [3] Heaney, R. P., et al. (1999). Absorption of calcium as the carbonate and citrate salts, with some observations on method. Osteoporosis International, 9(1), 19–23.
4. [4] Reid, I. R. (2014). Calcium supplements: an overview. Current Opinion in Endocrinology, Diabetes and Obesity, 21(6), 447–452.

Real-World Dosing, Timing & Synergy Protocol

Optimal Timing & Meal Pairing: Ingest 1 capsule once or twice daily with food. Because coral calcium is predominantly in an organic carbonate matrix, gastric hydrochloric acid (HCl) produced during a meal is essential to solubilize and dissociate bound calcium into free $Ca^{2+}$ ions [3]. These ionized minerals are then absorbed through saturable active transport (via epithelial TRPV6 calcium channels and calbindin-D9k) in the duodenum, as well as passive paracellular diffusion across the jejunum and ileum.

Circadian & Split-Dosing Strategy: Bone remodeling and nocturnal parathyroid hormone (PTH) secretion surge during late-night and early-morning hours when dietary calcium availability drops. Taking your daily dose with an evening meal supports nocturnal serum calcium homeostasis and promotes relaxation of smooth and skeletal muscle tissues. If targeting higher daily intakes, divide servings between morning and evening meals; human intestinal active transport channels saturate at approximately 500 mg of elemental calcium per individual bolus [3, 4].

Smart Synergies & Spacing Rules:

• Synergy: Pair with Vitamin D3 (to upregulate intestinal calbindin transport proteins) and Vitamin K2 as MK-7 (to activate osteocalcin, directing circulating calcium into bone and preventing vascular soft-tissue calcification).
• Spacing Rules: Separate coral calcium by at least 2 hours from iron supplements, thyroid medications (e.g., levothyroxine), and tetracycline or fluoroquinolone antibiotics. $Ca^{2+}$ readily chelates with these substances in the digestive tract, severely impeding their systemic absorption.

Timeline of Expectations

• Week 1: Rapid replenishment of extracellular ionic calcium pools; provides acute dietary alkaline buffering and assists baseline muscular contraction-relaxation cycles.
• Weeks 3–4: Stable tissue electrolyte equilibrium; supports consistent nocturnal neuromuscular comfort and steady circulating mineral availability.
• Months 2–3+: Cumulative incorporation of calcium ions into the skeletal hydroxyapatite crystal network, promoting sustained bone mineral density, osteoblast vitality, and skeletal structural longevity [2, 4].

Physical, Sensory & Clean Excipient Profile

Delivery Format & Swallowability: Delivered in a standard two-piece size "00" vegetarian hypromellose capsule. It glides smoothly with a sip of water, eliminating the chalky grit, abrasive throat friction, or aftertaste associated with large compressed calcium tablets.

Natural Aroma, Taste & Color Notes: Contains an unbleached, off-white to pale sand-colored powder derived directly from fossilized marine coral deposits. The capsule is odorless and virtually tasteless when swallowed. Because NOW rejects synthetic dyes, bleaching chemicals, and artificial whitening agents, slight natural variation in powder shade between manufacturing lots is normal and reflects authentic geological purity.

Other Ingredients Demystified

• Hypromellose (Cellulose Capsule): A 100% plant-origin encapsulation shell derived from natural pine tree cellulose. Completely vegetarian and vegan, it rapidly disintegrates in the stomach without bovine or porcine gelatin.
• Rice Flour: A non-allergenic, gluten-free natural grain excipient used to achieve uniform volumetric density, ensuring exact 1,000 mg dosing in every capsule during encapsulation.
• Ascorbyl Palmitate: A fat-soluble, antioxidant form of Vitamin C utilized as a clean flow stabilizer to protect natural powder integrity against ambient lipid peroxidation.
• Silicon Dioxide: A naturally occurring mineral compound (silica) used in microscopic amounts to absorb ambient moisture and prevent the powder from clumping during processing.

Packaging & Environmental Stewardship: Packaged in an amber-tinted bottle manufactured from 100% Post-Consumer Recycled (PCR) resin. Store tightly sealed in a cool, dry place after opening, shielded from direct UV sunlight and excessive ambient steam.

Crawlable Supplement Facts & Quality Verification

Other Ingredients: Hypromellose (cellulose capsule), Rice Flour, Ascorbyl Palmitate and Silicon Dioxide.
Allergen Free: 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.

Curator's Quality Note & NOW® Laboratory Testing Rigor

NOW Foods operates one of the most advanced private analytical testing facilities in the supplement industry, performing over 19,000 comprehensive in-house tests monthly across their ISO/IEC 17025-accredited laboratories. Because marine-sourced minerals require exceptional contaminant surveillance, NOW subjects every batch of fossilized coral calcium to strict analytical controls:

• ICP-MS Heavy Metal Testing: Using Inductively Coupled Plasma Mass Spectrometry, raw materials are screened for toxic heavy metals—including lead, arsenic, cadmium, and mercury—down to parts-per-billion (ppb) detection limits, easily meeting California Proposition 65 thresholds.
• Ecological Sourcing & Radiation Screening: Harvested exclusively from above-sea fossilized deposits (sparing living coral reefs), every lot undergoes gamma-spectrometry testing to verify the total absence of radioactive isotopes.
• Microbiological Assurance: Full spectrum testing for total aerobic plate count, mold, yeast, E. coli, and Salmonella guarantees clinical cleanliness and purity.

Expert Review: Curated and audited by the clinical merchandising team at VitaNet®, LLC (Hartville, OH), family-owned and serving health-conscious consumers online since 1995 with 31+ years of biochemical and supplement industry experience[cite: 1].

*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.

Frequently Asked Questions (High-Intent FAQs)

1. How does fossilized coral calcium differ from standard calcium carbonate tablets?

Standard calcium carbonate is typically quarried from dense geological limestone or chalk, presenting a compact crystal lattice that can be harsh on digestion. Fossilized coral calcium delivers calcium naturally formed by ancient marine biology, resulting in a porous, micro-crystalline structure containing inherent trace minerals that facilitate breakdown and support alkaline buffering when taken with meals [1, 2].

2. Does harvesting coral calcium damage living coral reefs or marine environments?

No. NOW® Coral Calcium is harvested exclusively from above-sea fossilized coral deposits that were formed and pushed above sea level millions of years ago. No living coral reefs, ocean beds, or active marine wildlife habitats are touched or damaged during harvesting.

3. Can I open the capsule and mix the powder into a smoothie or water?

Yes. If you prefer not to swallow capsules, you can gently pull the two-piece vegetarian capsule apart and empty the fine coral powder into water, juice, yogurt, or a post-workout shake. Note that because coral calcium is an insoluble mineral compound, it will suspend rather than fully dissolve, so stir well before drinking.

4. Will taking NOW® Coral Calcium break an intermittent fast?

The capsule itself contains virtually zero calories, carbohydrates, or fats, meaning it will not kick you out of metabolic ketosis. However, because coral calcium requires gastric acid secretion to ionize and absorb effectively, it should ideally be consumed with your first meal of the day rather than during the fasting window [3].

5. Can I take this product alongside my daily multivitamin and other minerals?

You can safely take it alongside Vitamin D3 and Vitamin K2, which actively assist calcium transport and deposition. However, if your multivitamin contains high doses of iron, zinc, or magnesium, or if you take prescription thyroid hormone, space your coral calcium dose 2 hours apart to prevent competitive mineral absorption in the small intestine.