Vitamin C + D3 & Zinc
NutriBiotic Immunity
Vitamin C + D3 & Zinc
4.9
★ ★ ★ ★ ★
(16499 ratings)
Zinc 40 mg
Vitamin C 1500 mg
Score 95.0
A high-value, large-quantity capsule combining potent doses of Vitamin C, Vitamin D3, and Zinc for superior immune and general health support.
Quantity: 250 Capsule(s)Servings size: 2 Capsule(s) (125 servings)
Selected goals:
Other goals:
Immunity
Skin Health
Hair Health
General Health
Testosterone Support
leaderboard Score 95.0
A high-value, large-quantity capsule combining potent doses of Vitamin C, Vitamin D3, and Zinc for superior immune and general health support.
insights Analysis
This product is a larger package of the highly effective Vitamin C + D3 & Zinc formula from NutriBiotic Immunity. It delivers the same powerful combination of 1500mg of Vitamin C (as L-Ascorbic Acid), 125mcg (5000 IU) of Vitamin D3 (as Cholecalciferol), and 40mg of Zinc (as Zinc Sulfate). This larger serving count significantly improves the cost-per-serving, making it an excellent long-term option for individuals seeking robust and consistent immune system support from key foundational micronutrients. The focus remains on these three essential ingredients without additional herbal complexities.
- Exceptional value with a very low price per serving for potent doses.
- Optimal combination of three crucial immune-supporting nutrients (C, D3, Zinc).
- High concentrations of Vitamin D3 and Zinc provide robust efficacy.
- The 40mg Zinc Sulfate dose is quite high for daily, long-term use and might require monitoring to prevent copper deficiency.
- The 1500mg Vitamin C dose might be higher than some individuals need daily, potentially leading to mild digestive upset.
- Does not include a broader spectrum of immune-supportive compounds or botanicals.
- High doses of Zinc (40mg) can interfere with copper absorption; prolonged daily use should be monitored by a healthcare professional.
- Very high dose of Vitamin D3 (5000 IU); while generally safe, those with hypercalcemia or kidney issues should consult a doctor.
- High dose of Vitamin C can cause gastrointestinal issues for sensitive individuals.
$22.49($0.17 per serving)
 Walmart | $ 22.49 | |
 iHerb | $ 22.49 |
bolt Effectiveness for goals
While regular Vitamin C supplementation may not prevent colds in the general population, it might reduce the duration or severity of symptoms in some individuals. It has shown some benefit in people undergoing extreme physical stress, such as marathon runners or soldiers in subarctic conditions. For the average person, consistent intake primarily supports overall immune function.
Some evidence suggests that zinc supplements, particularly zinc lozenges or syrup taken within 24 hours of cold symptom onset, may reduce the duration of a common cold in adults. However, the optimal dosage and formulation for consistent effectiveness are still subjects of ongoing research. Taking zinc can sometimes cause side effects like nausea or an unpleasant taste.
Generally, Vitamin C and zinc are safe to take together, and there are no significant known adverse interactions at commonly recommended dosages. High doses of zinc on an empty stomach can sometimes cause nausea, but Vitamin C typically does not interfere with zinc absorption. Some studies have even explored potential synergistic benefits.
Both Vitamin C and zinc play crucial roles in immune function, and deficiencies in either can impair immunity. While some research suggests that combined supplementation might offer benefits, especially in populations at risk of deficiency, direct evidence for enhanced effectiveness beyond their individual benefits is still being investigated. They are often combined in over-the-counter cold remedies due to their known individual immune support roles.
Zinc is essential for the development and function of immune cells, playing a critical role in both innate and adaptive immunity. Adequate zinc levels are necessary for proper immune response, and deficiency can lead to impaired immune function and increased susceptibility to various infections. It supports overall immune system resilience.
schedule Dosage, timing & forms
The Tolerable Upper Intake Level (UL) for adult Vitamin C is 2,000 mg per day. For adult Zinc, the UL is 40 mg per day. Exceeding these levels consistently can lead to adverse effects such as gastrointestinal distress for Vitamin C and potential copper deficiency or immune system impairment for Zinc.
Yes, Vitamin C and Zinc supplements can generally be taken together. In fact, they are often combined in many over-the-counter immune support formulas. There is no evidence suggesting a negative interaction when taken simultaneously.
The recommended dietary allowance (RDA) for adult men is 90 mg per day and for adult women is 75 mg per day. Higher doses are often used in supplements, but the tolerable upper intake level (UL) for adults is 2,000 mg daily from all sources. Exceeding the UL can lead to gastrointestinal issues.
The recommended dietary allowance (RDA) for adult men is 11 mg per day and for adult women is 8 mg per day. The tolerable upper intake level (UL) for adult zinc intake is 40 mg per day from all sources. Exceeding the UL can lead to adverse effects, including copper deficiency.
Research suggests that Vitamin C does not significantly interfere with the absorption of Zinc, nor does Zinc impede Vitamin C absorption. Some studies even indicate that Vitamin C might slightly enhance zinc absorption, although this effect is generally not considered clinically significant for most individuals. They are generally considered compatible for co-administration.
health_and_safety Safety & interactions
Yes, Vitamin C and zinc can generally be taken together. Some research suggests that taking them concurrently may offer synergistic benefits, particularly for immune support. There is no strong evidence of adverse interactions when consumed within recommended dosages.
Yes, it is possible to take too much zinc, particularly from supplements. Acute symptoms of excessive intake include nausea, vomiting, diarrhea, and headaches. Chronic high intake can lead to copper deficiency, impaired immune function, and reduced HDL ("good") cholesterol levels.
Common side effects of zinc supplements can include nausea, vomiting, diarrhea, and abdominal pain. Taking zinc with food may help reduce these gastrointestinal effects. Prolonged high-dose use can lead to copper deficiency.
High doses of Vitamin C can lead to gastrointestinal disturbances such as diarrhea, nausea, and abdominal cramps. These effects are generally not serious and typically resolve by reducing the dosage. For some individuals, very high doses might increase the risk of kidney stone formation.
Generally, Vitamin C does not significantly impair the absorption of zinc. In some cases, it might even slightly enhance zinc absorption, particularly from certain food sources. There is no evidence that taking them together within recommended doses causes an adverse interaction regarding absorption.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin C | 1500 mg |
Vitamin D3 | 125 mcg |
Zinc | 40 mg |
Categories
Vitamin C 90.0
Delivers a substantial 1500mg of L-Ascorbic Acid, providing a very high and effective dose for antioxidant protection, collagen synthesis, and robust immune system support. This quantity ensures comprehensive coverage for Vitamin C needs.
Zinc 90.0
Contains 40mg of Zinc Sulfate, a highly bioavailable form, offering a powerful dose for immune modulation and various enzymatic functions. While very effective, users should be mindful of potential long-term copper interactions at this higher dosage.
Goals
Immunity 98.0
This product features an ideal combination of high-dose Vitamin C (1500mg), Vitamin D3 (5000 IU), and Zinc (40mg), all critically important and synergistic for robust immune function. This powerful trio provides comprehensive support for both innate and adaptive immunity, making it exceptionally effective for this goal.
General Health 85.0
Vitamin C, D3, and Zinc are fundamental micronutrients involved in a vast array of bodily processes, from bone health and mood regulation (D3) to antioxidant defense and enzyme function (C, Zinc). Their presence in high doses significantly contributes to overall physiological well-being.
Skin Health 75.0
Vitamin C is vital for collagen synthesis, promoting skin elasticity and healing. Zinc aids in wound repair and reducing inflammation, while Vitamin D3 plays a role in skin cell growth and immune modulation within the skin. Together, they offer substantial benefits for skin health.
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