PreserVision AREDS 2 is taken as two soft gels per day, one with your morning meal and one with your evening meal. That split dose gives you the full daily formula studied in the National Eye Institute’s AREDS2 clinical trial for slowing progression of age-related macular degeneration (AMD).
Daily Dose and Timing
The standard regimen is one soft gel in the morning and one in the evening, both taken with food. Each soft gel contains half the daily formula, so you need both to get the full amounts studied in the clinical trial. The complete daily dose across two soft gels provides 500 mg of vitamin C, 180 mg of vitamin E, 80 mg of zinc, 2 mg of copper, 10 mg of lutein, and 2 mg of zeaxanthin.
Splitting the dose serves two purposes. It spaces out the zinc intake, which is easier on your stomach. It also keeps a steadier level of nutrients in your bloodstream throughout the day, particularly the fat-soluble ingredients like lutein and zeaxanthin that your eyes need.
Why Taking It With Food Matters
Taking each soft gel with a meal improves absorption and reduces the chance of stomach upset. Lutein and zeaxanthin are carotenoids, meaning they dissolve in fat rather than water. Eating them alongside a meal that contains some dietary fat (eggs, avocado, olive oil, nuts, even buttered toast) helps your body absorb more of these compounds.
If you take the supplement on an empty stomach, you may notice nausea or stomach discomfort. The high zinc content (40 mg per soft gel) is the most common culprit. Pairing it with food significantly reduces this effect.
Chewable and Mini Soft Gel Versions
PreserVision AREDS 2 comes in standard soft gels, mini soft gels, and chewable tablets. The dosing schedule is the same across formats: two per day, one morning and one evening, with meals. If you’re using the chewable version, chew the tablet completely before swallowing. Do not swallow chewable tablets whole.
The mini soft gels are roughly 40% smaller than the standard capsules, which makes them easier to swallow. The nutrient content is identical. Choose whichever form you’ll actually take consistently, because the benefit depends on long-term daily use.
What to Do If You Miss a Dose
If you forget a dose, just take it when you remember. If it’s nearly time for your next dose, skip the missed one and return to your regular schedule. Don’t double up by taking two soft gels at once to make up for it, since that concentrates the zinc and can cause stomach problems.
Missing a day here and there won’t undermine the supplement’s long-term benefit. What matters is consistency over months and years. The AREDS2 trial followed participants for five years, so this is not a short-term treatment.
Stomach Side Effects and How to Manage Them
The most commonly reported side effects are digestive: nausea, diarrhea, constipation, and general stomach discomfort. These are almost always tied to the zinc content. At 80 mg per day, the AREDS 2 formula delivers zinc well above typical dietary intake.
If stomach issues persist even when you take the supplement with meals, it’s worth knowing that the AREDS2 trial also tested a lower zinc dose of 25 mg and found no significant difference in how well it prevented progression to advanced AMD. Some eye care providers recommend formulations with the lower zinc level for patients who can’t tolerate the full 80 mg.
Important Safety Note for Smokers
The AREDS 2 formula replaced the beta-carotene in the original AREDS formula with lutein and zeaxanthin. This change was made specifically because beta-carotene increases lung cancer risk in smokers and former smokers. In the AREDS2 trial itself, former smokers who took the beta-carotene version had a higher incidence of lung cancer.
If you smoke or ever smoked, make sure you are taking the AREDS 2 formula (not the original AREDS formula). Check the label. The AREDS 2 version lists lutein and zeaxanthin and does not contain beta-carotene.
Drug Interactions to Be Aware Of
PreserVision AREDS 2 has over 100 known drug interactions, including 7 classified as major. The high-dose zinc can interfere with the absorption of certain antibiotics, and the vitamin E and vitamin C content can interact with blood thinners. If you take any prescription medications, particularly anticoagulants like apixaban, let your prescriber know you’re on this supplement so they can check for conflicts and adjust timing if needed.
A simple precaution: take your prescription medications and your AREDS 2 soft gels at least two hours apart when possible. This reduces the chance that zinc will block absorption of other drugs.
Storage
Store the bottle at room temperature, away from heat and moisture. Don’t leave it in a car, on a windowsill, or in a bathroom cabinet where humidity fluctuates. The soft gel casing can soften or stick together in warm conditions, and excessive heat degrades vitamin C over time. Keep the lid tightly closed between uses.