C-1000 Zinc Immune
NOW
C-1000 Zinc Immune
4.8
★ ★ ★ ★ ★
(5635 ratings)
Zinc 15 mg
Score 85.0
A consistently effective and well-regarded immune-support supplement, providing a safe zinc dose with high Vitamin C, available in a larger quantity for ongoing use.
Quantity: 180 Capsule(s)Servings size: 1 Veg Capsule(s) (180 servings)
Selected goals:
Other goals:
Immunity
Skin Health
Hair Health
General Health
Testosterone Support
leaderboard Score 85.0
A consistently effective and well-regarded immune-support supplement, providing a safe zinc dose with high Vitamin C, available in a larger quantity for ongoing use.
insights Analysis
This larger bottle of NOW C-1000 Zinc Immune provides the same potent immune-supporting blend of 15mg zinc and 1000mg Vitamin C. Both nutrients are fundamental for a healthy immune system, making this product highly effective for daily immune maintenance and seasonal support. The 15mg zinc dose is safe for long-term use, and the overall formulation comes from the trusted NOW brand. Although the price per serving ($0.08) is marginally higher than the smaller bottle, it still offers excellent value for a dual-nutrient immune supplement, and its strong review base solidifies its standing as a consumer favorite.
- Excellent combination of zinc and high-dose Vitamin C for immune support
- Safe and effective 15mg zinc dose
- Highly reputable brand
- Specific form of zinc is not explicitly stated
- Slightly higher price per serving compared to the smaller bottle (minor)
$15.79($0.08 per serving)
 Vitacost | $ 15.79 | |
 Daily Vita | $ 16.20 | |
 iHerb | $ 17.14 |
bolt Effectiveness for goals
Zinc is an essential mineral involved in numerous aspects of cellular metabolism, including immune function. It plays a crucial role in the development and function of immune cells. Adequate zinc levels are necessary for proper immune system responses.
Zinc is an essential mineral involved in numerous bodily functions, including immune function, protein synthesis, DNA synthesis, and cell division. It also plays a crucial role in wound healing and the senses of taste and smell. Maintaining adequate zinc levels is important for overall health.
Some research suggests that zinc supplementation, particularly when started within 24 hours of cold symptom onset, may reduce the duration of the common cold. The effectiveness can vary depending on the zinc formulation and dosage. More studies are needed to fully understand its optimal use.
Adequate zinc intake is essential for various bodily functions, including immune system support, protein and DNA synthesis, cell division, and wound healing. It also plays a role in taste, smell, and growth and development. Maintaining sufficient zinc levels contributes to overall health.
Zinc is crucial for the proper functioning of the immune system, affecting the development and function of various immune cells. Adequate zinc intake supports a healthy immune response and helps the body fight off infections. Deficiency can impair immune function.
schedule Dosage, timing & forms
For adult men, the Recommended Dietary Allowance (RDA) for zinc is 11 mg per day, and for adult women, it is 8 mg per day. Pregnant and lactating women have slightly higher recommendations. These amounts are generally sufficient for daily nutritional needs.
The Recommended Dietary Allowance (RDA) for adult men is 11 mg/day and for adult women is 8 mg/day. Many supplements provide dosages ranging from 15-50 mg, often for short-term use. Long-term intake above the Upper Limit (UL) should generally be avoided.
Common forms include zinc gluconate, zinc acetate, zinc picolinate, and zinc citrate. These forms contain elemental zinc, but they can differ in their absorption rates and bioavailability. Zinc oxide and zinc sulfate are also available but may be less bioavailable.
The Upper Limit (UL) for zinc intake from all sources (food and supplements) for adults is 40 mg per day. Consuming amounts above this level long-term can lead to adverse effects, including copper deficiency, impaired immune function, and digestive issues. It is important not to exceed this limit without medical supervision.
For general immune support, dosages typically align with the Recommended Dietary Allowance (RDA) of 8-11 mg per day. Some short-term uses, such as during the common cold, have explored higher dosages. However, it is crucial not to exceed the tolerable upper intake level of 40 mg daily for adults for extended periods.
health_and_safety Safety & interactions
Consuming very high doses of zinc can lead to acute toxicity symptoms such as severe nausea, vomiting, abdominal pain, and headache. Chronic high intake can result in copper deficiency, impaired immune function, and reduced HDL ("good") cholesterol levels. It is important to adhere to recommended daily intake limits.
Excessive zinc intake, particularly above the Tolerable Upper Intake Level, can lead to symptoms like nausea, vomiting, loss of appetite, abdominal cramps, and diarrhea. Chronic high intake can also impair copper absorption, leading to copper deficiency and potential neurological issues or anemia.
Yes, high-dose or long-term zinc supplementation can interfere with copper absorption, potentially leading to a copper deficiency. This is because zinc and copper compete for absorption in the small intestine. It's often recommended to monitor copper levels or take a balanced supplement if using high-dose zinc long-term.
For most adults, the tolerable upper intake level (UL) for zinc is 40 mg per day from supplements and food combined. Consuming more than this amount regularly increases the risk of adverse effects, such as copper deficiency and immune impairment. Always check supplement labels and consult a healthcare professional.
Common side effects can include nausea, vomiting, diarrhea, and abdominal pain, especially if taken on an empty stomach. High doses may also cause headaches or a metallic taste in the mouth. These effects are typically mild and temporary.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin C | 1 Gram(s) |
Zinc | 15 mg |
Categories
Zinc 88.0
This larger size of the NOW C-1000 Zinc Immune continues to be an excellent product within the zinc collection for its targeted immune benefits, solid value, and trusted brand.
Goals
Immunity 95.0
This product is specifically formulated for immune support, with a synergistic combination of 15mg zinc and 1000mg Vitamin C, both critical for various immune functions. This makes it highly effective.
General Health 88.0
Provides two essential nutrients (zinc and Vitamin C) in good doses for overall general health, supporting numerous physiological processes.
Both zinc and Vitamin C possess antioxidant and anti-inflammatory properties, making this a good choice for supporting overall anti-inflammatory processes in the body.
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