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Stress B with Zinc

21st Century
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
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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

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.

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.

Pros
  • 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.
Cons
  • 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)
Amazon
$ 13.99
iHerb
$ 6.49
Ingredients
IngredientAmount per serving
Vitamin C (Ascorbic Acid) 500 mg
Vitamin E (DL-Alpha-Tocopheryl Acetate) 13.5 mg
Thiamine (Vitamin B1, Thiamine Mononitrate) 10 mg
Riboflavin (Vitamin B2) 10 mg
Niacin (Niacinamide) 100 mg
Vitamin B6 (Pyridoxine Hydrochloride) 5 mg
Folate 667 mcg DFE
Vitamin B12 (Cyanocobalamin) 12 mcg
Biotin 45 mcg
Pantothenic Acid (D-Calcium Pantothenate) 20 mg
Calcium (Calcium Carbonate) 70 mg
Zinc (Zinc Oxide) 23.9 mg
Copper (Cupric Sulfate) 3 mg
Gluten Free Adults 18–50
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.

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