Sentry Men
21st Century
Sentry Men
4.8
★ ★ ★ ★ ★
(5769 ratings)
Vitamin B5 15 mg
Vitamin K 60 mcg
Iodine 150 mcg
Potassium 80 mg
Chloride 72 mg
Iron 8 mg
Chromium 35 mcg
Score 55.0
A very affordable, basic men's multivitamin offering a wide range of essential nutrients, though many are in less bioavailable forms, which may limit absorption and overall efficacy.
Quantity: 120 Tablet(s)Servings size: 1 Tablet(s) (120 servings)
Selected goals:
Other goals:
General Health
Digestive Health
Immunity
Anti-Aging
Skin Health
leaderboard Score 55.0
A very affordable, basic men's multivitamin offering a wide range of essential nutrients, though many are in less bioavailable forms, which may limit absorption and overall efficacy.
insights Analysis
Sentry Men by 21st Century is a budget-friendly multivitamin designed to provide general nutritional support for men. It includes a comprehensive array of vitamins and minerals, generally adhering to Recommended Daily Intake (RDI) levels. A key strength is its low price per serving, making daily supplementation affordable. However, the product uses several forms of nutrients that are known to have lower bioavailability, such as Magnesium Oxide, Zinc Oxide, Ferrous Fumarate, and Cyanocobalamin (for B12). While these forms are common in mass-market supplements, nutritionists often suggest chelated or active forms for better absorption and utilization. The inclusion of Lycopene is beneficial for men's health, but its quantity (600mcg) is quite low compared to dosages studied for significant benefits. Online reviews often praise its affordability, reflecting its position as a basic, no-frills multivitamin.
- Extremely affordable price per serving, making daily multivitamin intake accessible.
- Contains a comprehensive blend of essential vitamins and minerals for general health.
- Includes Lycopene, an antioxidant relevant for men's health, albeit in a low dose.
- Many minerals are in oxide, sulfate, or fumarate forms, which have notably lower bioavailability compared to chelated alternatives.
- Uses synthetic forms of vitamins (e.g., cyanocobalamin for B12, DL-alpha-tocopheryl acetate for Vitamin E) that may not be as effective as their natural or active counterparts.
- The dosage of Lycopene (600mcg) is quite low for delivering significant health benefits.
- Tablets might be large and potentially difficult for some individuals to swallow.
- Individuals with compromised digestive absorption may not fully benefit from the less bioavailable nutrient forms.
- The product contains Iron (8mg), which while essential, may not be necessary for all men and can lead to iron overload in some cases; medical consultation is advised.
$9.99($0.08 per serving)
 Amazon | $ 9.99 | |
 iHerb | $ 9.99 |
bolt Effectiveness for goals
Vitamin D3 is essential for the body to absorb calcium effectively from the digestive tract. Calcium, in turn, is a critical mineral for building and maintaining strong bones and teeth. This cooperative relationship is crucial for supporting overall skeletal health.
B vitamins, including Thiamine (B1), Riboflavin (B2), Niacin (B3), and B6, are vital cofactors in numerous metabolic pathways. They play a key role in converting food into energy and are essential for proper nerve function. They also contribute to the formation of red blood cells.
Yes, Vitamin C significantly enhances the absorption of non-heme iron, which is the type of iron found in plant-based foods and many supplements. Consuming Vitamin C with iron can improve its bioavailability in the body.
Antioxidant nutrients like Vitamin C, Vitamin E, Selenium, and Lycopene help protect cells from damage caused by free radicals. This oxidative stress can harm cellular components, and antioxidants work to neutralize these harmful molecules. This protective action is crucial for maintaining overall cellular integrity and health.
Zinc is involved in numerous enzyme reactions, immune function, and wound healing. Magnesium supports muscle and nerve function, blood glucose control, and healthy blood pressure. Both minerals are essential for a wide range of biological processes throughout the body.
schedule Dosage, timing & forms
Taking a multivitamin with food, especially a meal containing some fat, can enhance the absorption of fat-soluble vitamins (A, D, E, K) and may help reduce stomach upset. Many individuals prefer taking it with breakfast or lunch. Consistency in timing each day can also be beneficial.
Vitamin C (ascorbic acid) is known to enhance the absorption of non-heme iron, which is the type of iron found in plant-based foods and many supplements. Taking them together can improve the bioavailability of iron. This synergistic effect is often why Vitamin C is included in iron-containing supplements.
Calcium and magnesium can generally be taken together, as they often work synergistically in the body for functions like bone health and muscle function. While very high doses might theoretically compete, in typical multivitamin dosages, this is usually not a significant concern. Some prefer splitting doses for optimal absorption or taking magnesium in the evening.
Fat-soluble vitamins require the presence of dietary fat for optimal absorption in the digestive tract. Taking supplements containing these vitamins with a meal that includes some fat can significantly improve their bioavailability. This ensures the body can effectively utilize these nutrients for their various functions.
Zinc and copper share absorption pathways in the body, and high doses of zinc over a prolonged period can potentially interfere with copper absorption, leading to a deficiency. Many multivitamin formulations include both minerals in balanced amounts to help maintain their proper ratio. This helps prevent imbalances and ensures adequate intake of both essential nutrients.
health_and_safety Safety & interactions
Yes, high doses of calcium, particularly when taken simultaneously, may interfere with the absorption of non-heme iron and zinc. This interaction can reduce the bioavailability of these other minerals.
Yes, excessive or prolonged high-dose zinc supplementation can lead to a decrease in copper absorption. This imbalance can potentially result in copper deficiency over time.
Vitamin K is crucial for blood clotting, and its intake can affect the efficacy of anticoagulant medications, such as warfarin. Individuals on such medications should maintain a consistent vitamin K intake and consult their healthcare provider.
Iron supplements can frequently cause gastrointestinal disturbances, including constipation, nausea, stomach upset, and dark stools. Taking iron with food may help mitigate these effects for some individuals.
Yes, vitamins A, D, E, and K are fat-soluble and can be stored in the body's fatty tissues and liver. While essential, very high doses over extended periods can accumulate to potentially toxic levels.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin A | 1050 mcg |
Vitamin C | 90 mg |
Vitamin D3 | 25 mcg |
Vitamin E | 20.3 mg |
Vitamin K | 60 mcg |
Thiamine | 1.2 mg |
Riboflavin | 1.3 mg |
Niacin | 16 mg |
Vitamin B6 | 2 mg |
Folate | 333 mcg DFE |
Vitamin B12 | 6 mcg |
Biotin | 40 mcg |
Pantothenic Acid | 15 mg |
Calcium | 210 mg |
Iron | 8 mg |
Phosphorus | 20 mg |
Iodine | 150 mcg |
Magnesium | 100 mg |
Zinc | 11 mg |
Selenium | 100 mcg |
Copper | 0.9 mg |
Manganese | 2.3 mg |
Chromium | 35 mcg |
Molybdenum | 50 mcg |
Chloride | 72 mg |
Potassium | 80 mg |
Lycopene | 600 mcg |
Categories
Iodine 80.0
Contains 150mcg of Iodine (Potassium Iodide), precisely meeting the RDI for healthy thyroid function and metabolism, ensuring adequate intake for this crucial mineral.
Manganese 75.0
Offers 2.3mg of Manganese, meeting the RDI and contributing to bone health, metabolism, and antioxidant defense. The sulfate form is generally well-absorbed.
Vitamin B5 70.0
Provides 15mg of Pantothenic Acid (Vitamin B5), which is well above the RDI and supports energy metabolism and adrenal function, contributing to overall vitality and stress response.
Goals
General Health 70.0
This product excels in providing a wide array of fundamental vitamins and minerals that cover daily nutritional gaps for general health maintenance. Its primary strength lies in offering this comprehensive basic coverage at an exceptionally low price point, making it a very accessible option for foundational well-being.
Bone Health 60.0
The product provides a substantial amount of Calcium (420mg combined from dicalcium phosphate and calcium carbonate) and a good dose of Vitamin D3 (25mcg), both crucial for bone density. It also includes Vitamin K and Magnesium, which further support bone metabolism, though the calcium forms might not offer optimal absorption.
Immunity 60.0
The multivitamin provides key immune-supporting nutrients such as Vitamin C, Vitamin D3, Vitamin A, Zinc, and Selenium at standard daily values. These ingredients are vital for maintaining a healthy immune response and defending against pathogens, contributing to overall immune resilience.
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