Vitamin C + D3 & Zinc
NutriBiotic Immunity
Vitamin C + D3 & Zinc
4.9
★ ★ ★ ★ ★
(15118 ratings)
Zinc 40 mg
Vitamin C 1500 mg
Score 92
A potent immune support capsule featuring a robust blend of Vitamin C, Vitamin D3, and Zinc, offering comprehensive benefits for overall immune function and general health.
Quantity: 100 Capsule(s) • (50 servings)
Goals: flag Anti-Aging flag Detoxification flag Hair Health flag General Health flag Fitness
leaderboard Score 92
A potent immune support capsule featuring a robust blend of Vitamin C, Vitamin D3, and Zinc, offering comprehensive benefits for overall immune function and general health.
insights Analysis
This product is a powerful immune-focused supplement, combining a very high dose of Vitamin C (1500mg as L-Ascorbic Acid) with substantial doses of Vitamin D3 (125mcg or 5000 IU) and Zinc (40mg as Zinc Sulfate). This trio is a recognized powerhouse for immune system support, especially Vitamin D3, which is often deficient and critical for immune modulation. The capsule form is straightforward, and the pricing, particularly for the larger size, offers good value for these key ingredients.
- Excellent combination of three top-tier immune-supporting nutrients (C, D3, Zinc).
- High doses of all three ingredients, particularly Vitamin D3 and Zinc, for strong efficacy.
- Good value, especially the larger quantity option.
- 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.
- Lacks additional diverse immune-supportive compounds like herbs or probiotics.
- 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.
$10.49($0.20 per serving)
 iHerb | $ 10.49 |
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin C | 1500 mg |
Vitamin D3 | 125 mcg |
Zinc | 40 mg |
Categories
Vitamin C 90
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
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
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.
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.
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.
85 Value 
Vitamin C 1000 mg with Zinc 45 mg
Nutricost
4.8
★★★★★
(449 ratings)
Offers a very high dose of both Vitamin C and Zinc at an exceptionally low price per serving, providing excellent core immune support with superior cost-effectiveness.
75 Value 
C 1000 mg with Rose Hips
21st Century
4.8
★★★★★
(4334 ratings)
Delivers a strong 1000 mg dose of Vitamin C with added Rose Hips at an incredibly affordable price, offering significant immune support for an outstanding value.
70 Value 
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
An incredibly inexpensive source of high-dose Vitamin C, providing fundamental immune system support at an unmatched price point.
75 Performance 
Immune Booster
NaturesPlus Source of Life
4.8
★★★★★
(426 ratings)
Offers a wider array of immune-supporting ingredients beyond just C, D3, and Zinc, including beneficial botanicals and a probiotic, for a more comprehensive and holistic approach to immune health.
80 Performance 
Stress B with Zinc
21st Century
4.7
★★★★★
(3486 ratings)
Provides a robust dose of Vitamin C and Zinc alongside a complete B-vitamin complex, which can enhance energy, reduce stress, and indirectly support overall immune function more broadly.
78 Performance 
Healthy Eyes Lutein and Antioxidants
21st Century
4.7
★★★★★
(13675 ratings)
While marketed for eye health, it contains a strong antioxidant profile with Vitamin C, Zinc, Vitamin A, and E, offering comprehensive cellular protection and immune system support without redundancy.
85 Budget
Vitamin C 1000 mg with Zinc 45 mg
Nutricost
4.8
★★★★★
(449 ratings)
Offers strong doses of Vitamin C and Zinc at a significantly lower price per serving, providing excellent foundational immune support more economically.
70 Budget
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
An extremely affordable choice for a potent dose of Vitamin C, ideal for those primarily seeking cost-effective Vitamin C support.
70 Budget 
C 500 mg
21st Century
4.8
★★★★★
(31743 ratings)
Delivers basic Vitamin C support at a remarkably low price per serving, making it a very budget-friendly daily immune option.
85 Value
Vitamin C 1000 mg with Zinc 45 mg
Nutricost
4.8
★★★★★
(449 ratings)
Offers a very high dose of both Vitamin C and Zinc at an exceptionally low price per serving, providing excellent core immune support with superior cost-effectiveness.
75 Value
C 1000 mg with Rose Hips
21st Century
4.8
★★★★★
(4334 ratings)
Delivers a strong 1000 mg dose of Vitamin C with added Rose Hips at an incredibly affordable price, offering significant immune support for an outstanding value.
70 Value
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
An incredibly inexpensive source of high-dose Vitamin C, providing fundamental immune system support at an unmatched price point.
75 Performance
Immune Booster
NaturesPlus Source of Life
4.8
★★★★★
(426 ratings)
Offers a wider array of immune-supporting ingredients beyond just C, D3, and Zinc, including beneficial botanicals and a probiotic, for a more comprehensive and holistic approach to immune health.
80 Performance
Stress B with Zinc
21st Century
4.7
★★★★★
(3486 ratings)
Provides a robust dose of Vitamin C and Zinc alongside a complete B-vitamin complex, which can enhance energy, reduce stress, and indirectly support overall immune function more broadly.
78 Performance
Healthy Eyes Lutein and Antioxidants
21st Century
4.7
★★★★★
(13675 ratings)
While marketed for eye health, it contains a strong antioxidant profile with Vitamin C, Zinc, Vitamin A, and E, offering comprehensive cellular protection and immune system support without redundancy.