How DHA-500 Works in Your Body

Think of your brain cells like tiny houses. The walls of these houses are made of fats called cell membranes. Docosahexaenoic Acid (DHA, chemically known as 22:6 n-3) is the most abundant structural omega-3 fat in your brain and the retina of your eyes [2]. When you feed your body enough DHA, these cell walls stay flexible, soft, and fluid.

This fluidity is important because it allows nerve cells to send electrical signals back and forth quickly, supporting focus, clear thinking, and recall [3]. DHA is also incorporated into the rhodopsin proteins in your eyes, which helps your retina process light smoothly [3].

At the same time, DHA and Eicosapentaenoic Acid (EPA, 20:5 n-3) act as parent molecules for natural protective compounds called resolvins and protectins [2]. These compounds help maintain calm, balanced cellular environments in your blood vessels and tissues, protecting them from everyday oxidative stress and supporting healthy blood flow [2], [4].

Dosing, Timing & Daily Routine

Optimal Timing & Meal Pairing

Always take your 1 softgel with a meal that contains healthy dietary fats, such as eggs, yogurt, nuts, avocado, or olive oil [1]. Because this oil is in concentrated ethyl ester form, your body requires food fats to trigger the release of bile salts and pancreatic enzymes (lipase). These enzymes break the oil down into tiny absorbable droplets called micelles, allowing your intestinal lining to absorb up to 3 times more omega-3s compared to taking it on an empty stomach [1], [4].

Daily Schedule & Comfort

Take 1 softgel daily with your largest meal of the day (breakfast, lunch, or dinner). Because of the protective enteric coating, the capsule will not break down in your upper stomach, meaning you do not have to worry about unpleasant reflux if you take it with dinner in the evening.

Smart Synergies & Spacing Rules

• ✓ Helpful Pairs: Works well when taken alongside fat-soluble vitamins like Vitamin D₃, Vitamin K₂, CoQ10, or eye carotenoids such as lutein and zeaxanthin.
• ✗ Spacing Rules: Keep this softgel at least 2 hours away from fat-blocking diet fibers (such as chitosan or glucomannan) or activated charcoal, which can trap the omega-3 fats and prevent them from being absorbed.

Timeline of Expectations

• Week 1: Smooth digestion with no fishy repeats or aftertaste as fresh fatty acids enter your bloodstream [1].
• Weeks 3–4: Omega-3 concentrations build steadily inside your red blood cells and circulatory pathways [2].
• Months 2–3+: Long-term tissue saturation. Brain cell membranes, eyes, and heart tissues maintain high, steady levels of DHA for daily cellular support [2], [3].

Capsule Quality, Sensory Profile & Lab Testing

Delivery Format & Swallowability

NOW DHA-500 is delivered in an oval-shaped, smooth softgel. Its slick outer surface slides down easily with a glass of water, making it simple to take even for people who usually find large supplement pills difficult to swallow.

Natural Aroma, Taste & Color

Because each softgel is enteric coated, you will notice virtually zero fishy smell when opening the bottle. The softgels show a clear, golden amber color. Since the fish oil comes from wild-caught ocean fish, slight natural color differences can happen from bottle to bottle and are completely normal.

Other Ingredients Demystified

• Bovine Gelatin (BSE-free): The natural protein that forms the softgel shell; certified free of Bovine Spongiform Encephalopathy.
• Glycerin & Water: Plant-derived humectants that keep the capsule flexible so it will not crack or leak.
• Enteric Coating (Pharmaceutical Glaze, Ethyl Alcohol, Ammonium Hydroxide, Glycerin, Sunflower Lecithin, Medium Chain Triglycerides): A gentle protective layer that guards the softgel from breaking down in stomach acid (pH < 3.0), allowing it to release comfortably in your small intestine.
• d-alpha Tocopherol (from sunflower): Natural Vitamin E added directly into the oil to act as an antioxidant shield, stopping oxygen (O₂) from oxidizing the delicate fatty acids.

NOW Brand Lab Testing & Contaminant Standards

Cheap supermarket fish oils often sit in warm warehouses and can contain hidden oxidation or industrial pollutants. In contrast, NOW Foods tests every single ingredient in their state-of-the-art, ISO/IEC 17025 accredited in-house laboratories, running tens of thousands of tests each month.

Every batch of NOW fish oil is molecularly distilled and checked with Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to ensure toxic heavy metals—including mercury, lead, cadmium, and arsenic—are undetectable or well below strict international safety limits. High-resolution gas chromatography testing also verifies that polychlorinated biphenyls (PCBs) and dioxins are safely eliminated. Each lot is tested for peroxide values to guarantee the oil is fresh, clean, and never rancid, meeting or exceeding Global Organization for EPA and DHA Omega-3 (GOED) standards.

Storage & Bottle Stability

Keep your bottle tightly closed in a cool, dry place after opening. Avoid humid bathrooms and hot windowsills. This bottle is made from 100% post-consumer recycled (PCR) resin, reducing plastic waste while keeping your softgels safe from moisture and light.

Supplement Facts & Quality Verification

Supplement Facts

Serving Size: 1 Softgel

Servings Per Container: 90

** Percent Daily Values are based on a 2,000 calorie diet.

*** as ethyl esters.

† Daily Value not established.

Other Ingredients: Softgel Capsule [bovine gelatin (BSE-free), glycerin, enteric coating (pharmaceutical glaze, ethyl alcohol, ammonium hydroxide, glycerin, sunflower lecithin, medium chain triglycerides), water] and d-alpha Tocopherol (from sunflower).

Contains: Fish (anchovies, sardines, tuna).

Not manufactured with yeast, wheat, gluten, soy, milk, egg, shellfish, tree nut, or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Fish oil is product of Peru, Morocco, China, Mauritius. Packaged and quality tested in the USA.