Healthy Eyes Extra
21st Century
Healthy Eyes Extra
4.7
★ ★ ★ ★ ★
(5210 ratings)
Gluthathione 5 mg
Niacin 40 mg
Vitamin C 300 mg
Riboflavin 3 mg
Selenium 55 mcg
Zinc 40 mg
Copper 2 mg
Score 55.0
Healthy Eyes Extra provides a cost-effective blend of essential vitamins and minerals, aimed at general health and vision support. While it contains relevant eye-health ingredients, the dosages of key compounds like Lutein and Glutathione are significantly lower than clinically effective levels, limiting its 'extra' benefit compared to more potent alternatives.
Quantity: 36 Tablet(s)Servings size: 1 Tablet(s) (36 servings)
Selected goals:
Other goals:
Vision Support
Anti-Aging
Skin Health
Immunity
Detoxification
leaderboard Score 55.0
Healthy Eyes Extra provides a cost-effective blend of essential vitamins and minerals, aimed at general health and vision support. While it contains relevant eye-health ingredients, the dosages of key compounds like Lutein and Glutathione are significantly lower than clinically effective levels, limiting its 'extra' benefit compared to more potent alternatives.
insights Analysis
This product is marketed as 'Healthy Eyes Extra' and lists an extensive array of general health goals. Its primary strength lies in its affordability and the inclusion of a foundational mix of antioxidants (Vitamins C, E, Selenium) and essential minerals (Zinc, Copper, Manganese, Calcium) that support overall health, including immune function and metabolic processes. The presence of Lutein and Beta-Carotene directly targets vision support, aligning with its name. However, the Lutein content (2mg) is considerably below the 6-10mg often recommended for maintaining macular health in clinical studies, and the 5mg of L-Glutathione is largely ineffective due to poor oral bioavailability and very low dosage. Additionally, the use of forms like Zinc Oxide and Cupric Oxide, while cost-effective, are not consistently considered the most bioavailable forms by many nutritionists. Despite these limitations in potency and ingredient forms for its 'extra' claims, the product's very low price point makes it an accessible option for general nutrient intake. Online reviews reflect widespread satisfaction, likely valuing its affordability and providing basic nutritional coverage rather than targeted, high-potency benefits.
- Extremely affordable price per serving, making it a budget-friendly option for daily supplementation.
- Includes a broad spectrum of essential vitamins (A, C, E, B2, B3) and minerals (Zinc, Copper, Selenium, Manganese, Calcium), providing general nutritional support.
- Contains key eye-health nutrients like Lutein, Vitamin A, C, E, Zinc, and Copper, which are beneficial for ocular health.
- High review count suggests general consumer satisfaction and popularity, indicating a well-received product for its price point.
- The Lutein dosage (2mg) is significantly lower than amounts shown to be effective in major clinical eye health studies (e.g., AREDS2, which used 10mg).
- The L-Glutathione dosage (5mg) is exceptionally low and orally ineffective, offering minimal to no measurable benefit for detoxification or antioxidant support.
- Uses less bioavailable forms of some minerals (e.g., Zinc Oxide, Cupric Oxide) and synthetic Vitamin E (DL-Alpha-Tocopheryl Acetate), which are not preferred by many nutritionists.
- Many of the broadly listed 'goals' beyond general health and basic eye support are not specifically or optimally addressed by the ingredient dosages provided, making the 'Extra' claim misleading.
- Individuals seeking significant clinical benefits for specific eye conditions, such as age-related macular degeneration (AMD), should consult a healthcare professional for supplements with higher, research-backed dosages of Lutein/Zeaxanthin and Vitamin A.
- The inclusion of only 5mg of L-Glutathione is largely for marketing purposes, as this dose is too small to be biologically active or provide noticeable detoxification benefits when taken orally.
$4.79($0.13 per serving)
 iHerb | $ 4.79 |
bolt Effectiveness for goals
Lutein is an antioxidant that helps filter harmful blue light and supports macular health. Beta-carotene is a precursor to Vitamin A, which is essential for maintaining good vision, particularly in low-light conditions. Both play a role in protecting eye cells from oxidative stress.
Vitamins C and E are powerful antioxidants that help protect eye cells from damage caused by free radicals. Vitamin C supports the health of blood vessels in the eyes, while Vitamin E helps prevent oxidative stress to cellular membranes. They often work together to enhance their protective effects.
Zinc is a vital trace mineral found in high concentrations in the retina. It plays a crucial role in the metabolism of Vitamin A, which is necessary for clear vision. Zinc also supports the function of enzymes involved in maintaining eye health and protecting against oxidative damage.
Zinc is essential for eye health, but high doses of zinc can sometimes interfere with copper absorption. Supplement formulas often include a small amount of copper to maintain a healthy balance. Both minerals contribute to various enzymatic processes important for eye function and antioxidant defense.
L-Glutathione is a powerful antioxidant naturally produced in the body, which helps protect eye tissues from oxidative stress. Selenium is an essential trace mineral that acts as a cofactor for various antioxidant enzymes, including glutathione peroxidase. Together, they contribute to the eye's natural defense system against free radicals.
schedule Dosage, timing & forms
Fat-soluble compounds such as Lutein and Beta-Carotene are best absorbed when consumed with a meal that contains some dietary fat. This helps the body utilize these nutrients more effectively. Taking them with a meal can also enhance their bioavailability.
Taking supplements that contain both water-soluble and fat-soluble vitamins with a meal is generally recommended. This approach supports the absorption of fat-soluble vitamins by utilizing dietary fats. Additionally, taking supplements with food can help minimize potential stomach upset from certain ingredients.
The Recommended Dietary Allowance (RDA) for adult men is 11 mg of Zinc, and 8 mg for adult women. High doses of zinc over extended periods can potentially interfere with copper absorption in the body. For this reason, many multi-mineral supplements include both minerals in a balanced ratio.
Calcium carbonate, a common form of calcium, is generally best absorbed when taken with food because it requires stomach acid for breakdown. Other forms, such as calcium citrate, do not strictly require food for optimal absorption. It is often recommended to split calcium doses throughout the day for better absorption.
DL-Alpha-Tocopheryl Acetate is a synthetic form of Vitamin E that is commonly used in dietary supplements due to its stability. While it needs to be metabolized in the body to release the active tocopherol, it is well-absorbed. The body may utilize natural forms (D-alpha-tocopherol) more efficiently than synthetic forms.
health_and_safety Safety & interactions
While vitamin E is an essential nutrient, high doses may have mild anticoagulant effects. Individuals taking blood-thinning medications or those with bleeding disorders should consult their healthcare provider before supplementing with vitamin E.
Yes, high doses of zinc, such as 40 mg, can potentially interfere with the absorption of copper over time. This interaction may lead to a copper deficiency if not managed appropriately. Maintaining a balanced intake of these minerals is generally recommended.
Studies have shown that high doses of beta-carotene, particularly from supplements, may increase the risk of lung cancer in current smokers and those with a history of asbestos exposure. It is advisable for smokers to discuss this with a healthcare professional before supplementing with beta-carotene.
Niacin (Vitamin B3) can cause a temporary skin flushing, warmth, itching, or tingling sensation, particularly when first starting supplementation or at higher doses. This 'niacin flush' is generally harmless but can be uncomfortable for some individuals. Taking niacin with food may help reduce this effect.
Calcium can sometimes interfere with the absorption of other minerals, such as iron and zinc, when taken simultaneously. It's often recommended to take calcium supplements at a different time from iron or zinc supplements if concerns about absorption exist. This interaction is usually more significant with very high doses of calcium.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin A | 300 mcg |
Vitamin C | 300 mg |
Vitamin E | 45 mg |
Riboflavin | 3 mg |
Niacin | 40 mg |
Calcium | 107 mg |
Zinc | 40 mg |
Selenium | 55 mcg |
Copper | 2 mg |
Manganese | 5 mg |
L-Glutathione | 5 mg |
Lutein | 2 mg |
Categories
Vitamin C 70.0
With 300mg of Ascorbic Acid, this product provides a significant dose of Vitamin C, surpassing the daily recommended intake and offering robust antioxidant and immune support.
Niacin 65.0
The 40mg of Niacin (Vitamin B3) is a substantial amount, contributing well to energy metabolism and potentially supporting cardiovascular health, though it may cause a 'flush' in some individuals.
Riboflavin 60.0
Providing 3mg of Riboflavin (Vitamin B2), this product delivers a good dose of this essential vitamin, which is crucial for energy production and acts as an important antioxidant.
Goals
Immunity 65.0
The product provides a good amount of Vitamin C (300mg) and Zinc (40mg), both well-known for their roles in supporting immune system function and defense against pathogens. Selenium also contributes to antioxidant defense important for immunity.
General Health 60.0
This supplement includes a broad spectrum of essential vitamins (A, C, E, B2, B3) and minerals (Zinc, Copper, Selenium, Manganese, Calcium) that contribute to overall bodily functions and nutrient repletion. It serves as a decent, albeit basic, general nutritional support.
Skin Health 55.0
Vitamins C and E are potent antioxidants that protect skin cells from oxidative damage, while Zinc is vital for skin repair and collagen synthesis. These ingredients offer foundational support for skin health, though not in specialized skin-focused dosages.