NOW Foods - Vitamin C-1000 Complex, Buffered Tablets

Suppie Report

NOW Foods

Vitamin C-1000 Complex, Buffered Tablets

NOW Foods Vitamin C-1000 Complex, Buffered Tablets
B grade
77/100
SUPPIE SCORE
60/100
EFFICACY
High
SAFETY
80/100
CLEANLINESS

What Does Vitamin C-1000 Complex, Buffered Tablets Do?

Buffered vitamin C formula paired with bioflavonoids designed to support immune function, collagen synthesis, and antioxidant defenses. Vitamin C (from Calcium Ascorbate) provides 1,000 mg a day, within the 200-3,000 mg/day studied range.
How does buffered calcium ascorbate differ from regular ascorbic acid?
Can taking 1,000 mg of vitamin C daily cause digestive upset or kidney stones?
Should I take this supplement with food or on an empty stomach?
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What Are the Benefits of Vitamin C-1000 Complex, Buffered Tablets?

Based on proven scientific research

Antioxidant DefenseVery strong
Immune FunctionStrong
Collagen SynthesisStrong
Non-Heme Iron AbsorptionStrong

Good For:

What Are the Side Effects of NOW Foods Vitamin C-1000 Complex, Buffered Tablets?

Always consult your health practitioner if in doubt.

RiskLow Risk

Overview

•High vitamin C intakes may cause loose stools, abdominal cramping, or nausea, though calcium ascorbate buffering reduces acidity.
•Excessive ascorbic acid can increase urinary oxalate excretion, elevating kidney stone risk in susceptible individuals.
•Doses of 1,000 mg vitamin C may enhance dietary iron absorption and could interfere with blood glucose test strips or occult blood tests.
•Pregnant or breastfeeding individuals should verify that total daily vitamin C from all sources remains well within the 2,000 mg upper intake level.
•Contains citrus bioflavonoids and Sophora japonica extracts; individuals with specific botanical sensitivities should exercise caution.

Potential Side Effects

Negative Interactions

Allergens

Citrus (citrus bioflavonoid complex)Sophora japonica flower bud extractAcerola fruit

Inactive Ingredients

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

What Are the Ingredients in NOW Foods Vitamin C-1000 Complex, Buffered Tablets?

Vitamin C (from Calcium Ascorbate)
1 g (1,000 mg)
Calcium (from Calcium Ascorbate)
100 mg
Citrus Bioflavonoid Complex
250 mg
Acerola Powder Complex (Malpighia punicifolia) (Fruit)
50 mg
Rutin Complex (from Sophora japonica Flower Bud)
50 mg
Malpighia punicifolia
from Sophora japonica Flower Bud
Hydroxypropyl cellulose
hypromellose (cellulose)
stearic acid (vegetable source)
maltodextrin (
Silicon Dioxide
Magnesium Stearate

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Dosage & Bioavailability

How the active doses and forms in Vitamin C-1000 Complex, Buffered Tablets compare to the research.

•Vitamin C (from Calcium Ascorbate) 1,000 mg a day; within the 200-3,000 mg/day studied range.
•Calcium (from Calcium Ascorbate) 100 mg a day versus 800-1,000 mg/day studied range.
•Citrus Bioflavonoid Complex 250 mg a day versus 500-1,000 mg/day studied range.

Frequently Asked Questions

Common questions about NOW Foods Vitamin C-1000 Complex, Buffered Tablets