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NOW Foods - C-1000 Zinc & D-3 Veg Capsules

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NOW Foods

C-1000 Zinc & D-3 Veg Capsules

B grade
85/100
SUPPIE SCORE
85/100
EFFICACY
Low
SAFETY
82/100
CLEANLINESS

What Does C-1000 Zinc & D-3 Veg Capsules Do?

This well-formulated supplement provides effective immune support with research-backed dosages of vitamin C, chelated zinc, and vitamin D-3. Overall safe for healthy adults, though high vitamin D warrants monitoring in long-term use.
How does the combination of vitamin C, zinc, and vitamin D support immune function?
What are the benefits of using zinc bisglycinate over other forms of zinc?
Is 5,000 IU of vitamin D-3 safe for daily use in this supplement?
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What Are the Benefits of C-1000 Zinc & D-3 Veg Capsules?

Based on proven scientific research

Immune System SupportVery strong
Antioxidant ProtectionStrong
Bone HealthModerate
Wound HealingStrong

Good For:

What Are the Side Effects of NOW Foods C-1000 Zinc & D-3 Veg Capsules?

Always consult your health practitioner if in doubt.

RiskLow Risk

Overview

All ingredients are GRAS and dosages align with established safe upper limits: vitamin C up to 2,000 mg/day, zinc 40 mg/day, vitamin D 4,000-10,000 IU/day per NIH guidelines.
Potential mild GI side effects from high vitamin C (1,000 mg) or zinc (25 mg) in sensitive individuals, but bisglycinate form improves tolerability.
Zinc may interact with antibiotics (e.g., quinolones, tetracyclines) and diuretics; vitamin D with certain heart medications—consult physician if on meds.
Suitable for most healthy adults; caution for pregnancy (vitamin D dosage high—limit to 4,000 IU/day per ACOG) and children under 18.
Vegan formulation with no major allergens; low contamination risk from NOW Foods' GMP-certified manufacturing.
Long-term use safe at recommended dose but monitor vitamin D levels to avoid hypercalcemia; not for those with kidney issues.

Potential Side Effects

Negative Interactions

Inactive Ingredients

Hypromellose (cellulose capsule)
Low Risk
Stearic acid (vegetable source)
Low Risk
Magnesium stearate (vegetable source)
Low Risk
Silicon dioxide
Low Risk

What Are the Ingredients in NOW Foods C-1000 Zinc & D-3 Veg Capsules?

Vitamin C (as Ascorbic Acid)
1,000 mg
Zinc (from Zinc Bisglycinate) (TRAACS™)
25 mg
Vitamin D-3 (as Cholecalciferol)
5,000 IU (125 mcg)
Hypromellose (cellulose capsule)
Stearic Acid (vegetable source)
Magnesium Stearate (vegetable source)
Silicon Dioxide

Frequently Asked Questions

Common questions about NOW Foods C-1000 Zinc & D-3 Veg Capsules