Stress B with Zinc
21st Century
Stress B with Zinc
4.7
★ ★ ★ ★ ★
(3486 ratings)
Vitamin B5 20 mg
Riboflavin 10 mg
Thiamin 10 mg
Niacin 100 mg
Zinc 23.9 mg
Copper 3 mg
Vitamin C 500 mg
Score 80.0
A comprehensive B-complex with Vitamin C, Zinc, and Copper, aimed at broad wellness, energy, and immune support, offering good value with generally effective dosages.
Quantity: 66 Tablet(s)Servings size: 1 Tablet(s) (66 servings)
Selected goals:
Other goals:
Immunity
Bone Health
Heart Health
Skin Health
Stress Relief
leaderboard Score 80.0
A comprehensive B-complex with Vitamin C, Zinc, and Copper, aimed at broad wellness, energy, and immune support, offering good value with generally effective dosages.
insights Analysis
21st Century's Stress B with Zinc is formulated to address a wide array of general wellness goals, leveraging the synergistic effects of B vitamins, Vitamin C, Zinc, and Copper. The B vitamins (Thiamine, Riboflavin, Niacin, Pantothenic Acid) are provided in generally effective doses, crucial for energy metabolism and neurological health. The 500mg Vitamin C provides strong antioxidant and immune support, while 23mg of Zinc is beneficial for immune function and testosterone support. However, the 3mg copper dosage is relatively high for daily supplementation without specific clinical need, as excess copper can lead to imbalances with zinc or potential toxicity over time. Online reviews generally praise the product's value and effectiveness for energy and stress, aligning with nutritionist perspectives on the core ingredients, though some might flag the copper level.
- Provides a comprehensive blend of B vitamins vital for energy and metabolism.
- Includes Vitamin C, Zinc, and Copper for enhanced immune and antioxidant support.
- Offers good value with an affordable price per serving for its multi-ingredient profile.
- The 3mg copper dosage is higher than the recommended daily allowance, potentially leading to mineral imbalances with long-term use.
- The Niacin dosage (100mg) might cause a flushing sensation in some sensitive individuals, as it's not specified as a 'no-flush' form.
- While addressing many goals, some listed goals like 'Bone Health' are not directly or strongly supported by the primary ingredients.
$6.49($0.09 per serving)
 iHerb | $ 6.49 | |
 Amazon | $ 13.99 |
bolt Effectiveness for goals
B vitamins are essential for various metabolic processes, including energy production and neurotransmitter synthesis, which are crucial for maintaining nervous system function. They play a role in converting food into energy, which can be beneficial when the body's energy demands increase due to stress. Some B vitamins, like B6, B12, and folate, are involved in regulating mood and cognitive function.
Zinc is an essential trace mineral involved in numerous bodily functions, including immune system support, wound healing, and DNA synthesis. It also plays a role in cell division, growth, and maintaining the senses of taste and smell. Zinc acts as a cofactor for many enzymes.
B vitamins are crucial for energy metabolism and nervous system health, while zinc supports immune function and cellular processes. Taken together, they may offer comprehensive support for overall well-being, especially during times when the body's nutritional needs might be elevated. This combination helps ensure that multiple systems involved in resilience and recovery are supported.
Vitamin C is a powerful antioxidant that helps protect cells from damage caused by free radicals. It is vital for immune system function and is necessary for the production of collagen, which is essential for healthy skin, blood vessels, bones, and cartilage. It also aids in iron absorption.
Yes, high doses of zinc can interfere with copper absorption over time because both minerals compete for the same absorption pathways in the intestines. A balanced intake of both is important to prevent a copper deficiency, especially when supplementing with zinc. Many formulations include both in balanced ratios to mitigate this interaction.
schedule Dosage, timing & forms
Many people prefer to take B vitamins in the morning, often with breakfast. This is because B vitamins play a role in energy metabolism and can be energizing for some individuals. Taking them earlier in the day may align with the body's natural rhythms.
It is generally recommended to take B vitamins and Vitamin C with food. Taking them with a meal can help reduce the potential for stomach upset that some people experience. Food can also aid in the absorption of certain nutrients.
Zinc and copper compete for absorption in the small intestine. High doses of zinc, especially over extended periods, can interfere with copper absorption and potentially lead to a copper deficiency. Many multivitamin formulas balance these minerals to mitigate this interaction.
Yes, high doses of calcium can potentially interfere with the absorption of zinc and iron. This competition is typically more significant when taken at the same time and in very large quantities. Spacing out the intake of these minerals or taking them with food can help minimize this effect.
Niacinamide is a form of Vitamin B3 that is often used in supplements because it does not typically cause the "niacin flush." The niacin flush, a temporary redness and itching of the skin, is a common side effect of nicotinic acid, another form of niacin. This makes niacinamide generally better tolerated for daily supplementation.
health_and_safety Safety & interactions
Yes, high doses of zinc can potentially interfere with copper absorption over time. This product contains both zinc (23.90mg) and copper (3.00mg) in a ratio commonly used in supplements. Always adhere to the recommended dosage to maintain proper mineral balance.
While niacinamide (100mg), the form of niacin in this product, is generally less likely to cause flushing than nicotinic acid, some sensitive individuals may still experience a temporary redness, warmth, or itching. This reaction is typically harmless and often subsides with continued use. If discomfort persists, consult a healthcare professional.
The bright yellow color of urine after taking B vitamin supplements, especially those high in riboflavin (Vitamin B2, 10mg), is a common and harmless effect. It indicates that your body is effectively processing and excreting excess B vitamins, which are water-soluble. This is a normal physiological response.
Yes, some medications, such as certain anti-seizure drugs, methotrexate, and specific antibiotics, can interact with folate (667mcg DFE) and other B vitamins. It's important to discuss all supplements with a healthcare provider if you are taking prescription medications. They can assess your individual situation for potential interactions.
Yes, zinc supplements (23.90mg) can interfere with the absorption of certain antibiotics, particularly quinolone and tetracycline antibiotics. To minimize this interaction, it is often recommended to take zinc supplements at least 2 hours before or 4-6 hours after taking these types of antibiotics. Consult your doctor or pharmacist for specific guidance.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin C | 500 mg |
Vitamin E | 13.5 mg |
Thiamine | 10 mg |
Riboflavin | 10 mg |
Niacin | 100 mg |
Vitamin B6 | 5 mg |
Folate | 667 mcg DFE |
Vitamin B12 | 12 mcg |
Biotin | 45 mcg |
Pantothenic Acid | 20 mg |
Calcium | 70 mg |
Zinc | 23.9 mg |
Copper | 3 mg |
Categories
Vitamin C 85.0
With 500mg of Vitamin C, the product provides a robust dose known for its antioxidant properties and crucial role in immune function, collagen synthesis, and overall cellular protection. This dosage is effective for daily supplementation and aligns with common recommendations for immune and general health.
Zinc 85.0
The 23mg of Zinc is a highly effective dose for immune support, wound healing, and maintaining healthy testosterone levels. It is an essential trace mineral crucial for numerous enzymatic reactions and cellular processes throughout the body, providing significant benefit.
Thiamin 80.0
Providing 10mg of Thiamine (Vitamin B1) is an adequate dose for supporting carbohydrate metabolism and nerve function, playing a vital role in energy production and overall neurological health. This dosage effectively contributes to the supplement's energy-boosting claims.
Goals
Energy 90.0
The inclusion of multiple B vitamins (Thiamine, Riboflavin, Niacin, Pantothenic Acid) is excellent for energy production, as these are cofactors in metabolic pathways that convert food into energy. This combination directly supports vitality and combating fatigue.
Metabolism Boost 88.0
B vitamins are indispensable for carbohydrate, fat, and protein metabolism, helping the body efficiently convert nutrients into energy. Zinc also plays a role in various enzymatic reactions crucial for metabolic processes, providing robust support for metabolic function.
Immunity 85.0
The product contains strong immune-supporting nutrients like Vitamin C (500mg) and Zinc (23mg), both well-regarded for their roles in immune cell function and defense against pathogens. The B vitamins also indirectly support overall physiological health, which contributes to robust immunity.