- *MSRP:
$25.99- Our Price:
- $15.60
- Buy: at $15.60
- UPC: 733739001221
- # N0122
Product Overview & Quick Specs
Think of your liver like an internal water purification plant that clears out industrial waste. NOW L-Ornithine 500 mg delivers pure free-form L-ornithine (chemical formula: C5H12N2O2) designed to support the liver's urea cycle and neutralize metabolic cellular fatigue [1, 2].
Quick Specs Snapshot
- ✓ Active Form & Potency: 1,500 mg pure L-Ornithine (derived from 1,913 mg L-Ornithine Hydrochloride) per 3-capsule serving (500 mg per capsule).
- ✓ Primary Target: Hepatic urea cycle ammonia detoxification, endurance recovery, and stress resilience [1, 2, 3].
- ✓ Supply & Value: 40 full servings (120 vegetarian capsules) delivering exceptional daily cost efficiency and targeted metabolic support.
- ✓ Purity & Dietary Status: Vegan/vegetarian, non-GMO, allergen-free, and produced in a GMP-certified facility.
Buyer's Guide & Form Comparison
Why the Free-Form Hydrochloride Form Matters
Cheap commercial brands often use bound peptide proteins that require extensive digestive breakdown before your body can utilize them. NOW Foods utilizes pharmaceutical-grade L-Ornithine Hydrochloride. This free-form structure bypasses heavy digestive enzymes, absorbing rapidly through the intestinal lining into your bloodstream.
Is This Formula Right for You?
Best Choice For:
- ✓ Athletes and active adults seeking targeted cellular support for post-workout recovery and muscular endurance [1].
- ✓ Individuals managing high-stress lifestyles who want natural support for relaxation and sleep quality [2].
- ✓ Shoppers requiring strict vegetarian capsules free from animal gelatins and common food allergens.
Consider Another Option If:
- ✗ You prefer mixing unflavored bulk powders into large pre-workout drinks rather than swallowing capsules.
- ✗ You are pregnant or nursing without explicit medical clearance from your personal physician.
How It Works in the Body
To understand how L-Ornithine supports vitality, look at two essential biochemical operations inside your cells.
1. The Ammonia Vacuum (The Urea Cycle)
Think of heavy exercise like a factory engine producing exhaust smoke. Strenuous workouts generate metabolic waste known as ammonia [1]. Ammonia builds up in muscle tissue, causing heavy exhaustion and burning sensations. L-Ornithine acts like an industrial vacuum inside the liver's urea cycle, binding free ammonia and converting it safely into neutral urea for excretion [1, 3].
2. The Stress and Sleep Regulator (HPA Axis Modulation)
Think of daily stress like an alarm bell that stays ringing in your nervous system. Clinical studies show that L-Ornithine supports healthy cortisol rhythms and calms the hypothalamic-pituitary-adrenal axis, promoting restful sleep and reducing daily fatigue [2].
Daily Timing, Synergy & Realistic Timelines
Best Time to Take & Meal Pairing
Take 3 capsules daily with a full 8-ounce glass of pure water (chemical formula: H2O). Consume on an empty stomach (30 minutes before meals or 2 hours after) to prevent dietary proteins from competing for intestinal transport gates [1].
Daily Schedule: Morning vs. Evening
Take your dose prior to athletic training for ammonia buffering, or take it right before bedtime to support relaxation and overnight recovery [1, 2].
Smart Pairings & Spacing Rules
- ✓ Nutrient Partners: Pairs perfectly with L-Arginine or L-Citrulline for comprehensive nitric oxide and athletic conditioning support [1].
- ✗ Temperature Spacing: Never swallow capsules with scalding hot liquids, which can degrade free-form amino acid bonds.
What to Expect Over Time
Days 1–7: Initial cellular uptake and digestive adaptation as amino acid pools saturate [1].
Weeks 3–4: Consistent baseline support for physical recovery and improved sleep quality [1, 2].
Months 2–3+: Long-term tissue saturation and sustained metabolic resilience [1, 2].
Physical Feel, Sensory Traits & Clean Ingredients
Pill Format & Ease of Use
Encapsulated in standard vegetarian capsules that slide down easily with water. If preferred, capsules can be opened and mixed into soft foods.
Natural Aroma, Taste & Color
Natural powder color variations may occur between batches. The capsules are tasteless when swallowed whole.
Other Ingredients Demystified
- ✓ Hypromellose (cellulose capsule): A 100% plant-based capsule shell that dissolves smoothly in gastric acid.
- ✓ Microcrystalline Cellulose & Stearic Acid: Clean vegetable-source excipients ensuring smooth capsule filling without artificial additives.
Proper Bottle Storage
Store in a cool, dry place after opening, keeping the lid tightly closed to protect against humidity.
Manufacturer Quality & Lab Testing Standards
NOW Foods protects your health through rigorous in-house laboratory testing that commodity discount brands skip.
- ✓ ISO/IEC 17025 Accredited Labs: In-house chemists perform over 31,000 analytical tests monthly to guarantee exact label potency.
- ✓ ICP-MS Heavy Metal Screening: Inductively Coupled Plasma Mass Spectrometry detects lead, arsenic, cadmium, and mercury down to parts-per-billion (ppb) thresholds.
- ✓ Microbiological Purity: Rigorous screening ensures zero presence of harmful environmental pathogens or contaminants.
Complete Supplement Facts Panel
Supplement Facts
Serving Size: 3 Veg Capsules
Servings Per Container: 40
| Description | Amount per Serving | % Daily Value |
|---|---|---|
| L-Ornithine (from 1,913 mg L-Ornithine Hydrochloride) | 1.5 g (1,500 mg) | † |
† Daily Value not established.
Other Ingredients: Hypromellose (cellulose capsule), Microcrystalline Cellulose and Stearic Acid (vegetable source).
Allergen Declaration: 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. Family owned since 1968.