Buffered Vitamin C 1000 mg

Buffered Vitamin C 1000 mg

Country Life4.8 (1,449 ratings)
Format:Tablet Quantity: 250 Tablet(s) · 250 servings
Goals
$29.99 $0.11 per serving

Product analysis

69 out of 100

Buffered Vitamin C 1000 mg supports normal immune function and collagen formation, with the clearest everyday benefit when dietary intake is low. Its vitamin C price comparison is favourable.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

The ingredient sources are clearly named, which helps with comparison. The buffered description does not establish a special absorption or quality advantage.

Ingredient Transparency100

The amounts and forms are clearly disclosed throughout the formula. That makes it straightforward to compare servings and preparations.

Value For Money66

The vitamin C looks good value for the amount supplied. The accompanying minerals and flavonoids do not have reliable separate value comparisons.

Customer Satisfaction85

Customers are strongly positive about the supplement. A substantial review base makes the satisfaction pattern more established, without proving a health benefit.

Product Focus73

The formula centres on vitamin C for normal immune nutrition, antioxidant functions and collagen formation. Benefits depend mainly on nutritional needs, and the buffered preparation does not establish extra benefits.

Format
Tablet
Container
250 Tablet(s)
Per serving
$0.11
Customer rating
4.8 · 1,449 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
B Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 12 mgVitamin C · 1000 mg
Study evidence
Magnesium Supportive 8 studies
Vitamin C Supportive 53 studies
Everyday Health
Impact
High effect
B Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Magnesium · 12 mgVitamin C · 1000 mg
Study evidence
Magnesium Supportive 114 studies
Vitamin C Supportive 56 studies
Skin Health
Impact
High effect
C+ Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Vitamin C Supportive 53 studies
Impact
High effect
B- Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Magnesium Supportive 41 studies
Vitamin C Supportive 50 studies
Impact
High effect
C+ Ingredient FitD PathwaysC+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Ascorbic Acid)
1000 mg 72
Calcium (Calcium Carbonate)
200 mg
Magnesium (Magnesium Oxide)
12 mg
Lemon Bioflavonoids (Citrus limonum)
150 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
A serving provides 1,000 mg of vitamin C at a very low cost for the amount supplied. It uses ascorbic acid. Minerals partially buffer the acid.
How this ingredient is rated

Active Ingredient Quality & Bioavailability39

It uses ascorbic acid. The ascorbic acid is partially buffered by minerals.
Vitamin C Chemical Form & Delivery System
It uses ascorbic acid.
Gastric Comfort & pH Balance
The ascorbic acid is partially buffered by minerals.

Dose, Safety & Label Transparency91

A serving provides 1,000 mg of vitamin C. Standard excipients are listed.
Optimal Dosage Targeting
A serving provides 1,000 mg of vitamin C.
Purity & Excipient Quality
The Other Ingredients include standard excipients.
Mineral & Source Transparency
The vitamin C amount and its ascorbic acid form are stated; no associated mineral amount is needed for that form.

Value100

The cost per gram of vitamin C is very low.
Price per Gram of Vitamin C
The cost per gram of vitamin C is very low.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
    De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
    Meta-analysis1,257 participants20 studies pooledEveryday Health forMagnesium
  2. Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
    Woods KL; Fletcher S · Lancet (London, England) · 1994
    Randomized trial2,316 participantsEveryday Health forMagnesium
  3. Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
    Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
    Cohort study10,999 participantsEveryday Health forMagnesium
  4. Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
    Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
    Cohort study9,359 participantsEveryday Health forMagnesium
  5. The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
    Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
    Randomized trial64 participantsEveryday Health forMagnesium
  6. Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledEveryday Health forVitamin C
  7. Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEveryday Health forVitamin C
  8. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsEveryday Health forVitamin C
  9. Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsEveryday Health forVitamin C
  10. Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsEveryday Health forVitamin C
  11. Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
    Mohan S; Sah K; Khattri M; Ahmad L; Sachan SK · Current eye research · 2021
    Randomized trial400 participantsEye Health forVitamin C
  12. Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
    Hysi PG; Khawaja AP; Menni C; Tamraz B; Wareham N; Khaw KT; Foster PJ; Benet LZ; Spector TD; Hammond CJ · Redox biology · 2019
    Observational studyEye Health forVitamin C
  13. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewEye Health forVitamin C
  14. Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
    Aoki A; Inoue M; Nguyen E; Obata R; Kadonosono K; Shinkai S; Hashimoto H; Sasaki S; Yanagi Y · Scientific reports · 2017
    Case-control study530 participantsEye Health forVitamin C
  15. Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
    Raimundo M; Mira F; Cachulo MDL; Barreto P; Ribeiro L; Farinha C; Laíns I; Nunes S; Alves D; Figueira J; Merle BM; Delcourt C; Santos L; Silva R · Acta ophthalmologica · 2019
    Case-control study883 participantsEye Health forVitamin C
  16. Hypomagnesemia Is a Risk Factor for Infections after Kidney Transplantation: A Retrospective Cohort Analysis.
    Odler B; Deak AT; Pregartner G; Riedl R; Bozic J; Trummer C; Prenner A; Söllinger L; Krall M; Höflechner L; Hebesberger C; Boxler MS; Berghold A; Schemmer P; Pilz S; Rosenkranz AR · Nutrients · 2021
    Cohort study376 participantsImmunity forMagnesium
  17. Higher Intake of Dietary Magnesium Is Inversely Associated With COVID-19 Severity and Symptoms in Hospitalized Patients: A Cross-Sectional Study.
    Nouri-Majd S; Ebrahimzadeh A; Mousavi SM; Zargarzadeh N; Eslami M; Santos HO; Taghizadeh M; Milajerdi A · Frontiers in nutrition · 2022
    Cross-sectional study250 participantsImmunity forMagnesium
  18. Mg2+ regulates cytotoxic functions of NK and CD8 T cells in chronic EBV infection through NKG2D.
    Chaigne-Delalande B; Li FY; O'Connor GM; Lukacs MJ; Jiang P; Zheng L; Shatzer A; Biancalana M; Pittaluga S; Matthews HF; Jancel TJ; Bleesing JJ; Marsh RA; Kuijpers TW; Nichols KE; Lucas CL; Nagpal S; Mehmet H; Su HC; Cohen JI; Uzel G; Lenardo MJ · Science (New York, N.Y.) · 2013
    Single-arm trialImmunity forMagnesium
  19. Effect of magnesium on granulocyte function and on the exercise induced inflammatory response.
    Mooren FC; Golf SW; Völker K · Magnesium research · 2003
    Randomized trialImmunity forMagnesium
  20. Maternal and neonatal outcomes following magnesium sulfate in the setting of chorioamnionitis: a meta-analysis.
    Pergialiotis V; Sapantzoglou I; Rodolaki K; Varthaliti A; Theodora M; Antsaklis P; Thomakos N; Stavros S; Daskalakis G; Papapanagiotou A · Archives of gynecology and obstetrics · 2024
    Meta-analysis6,559 participants8 studies pooledImmunity forMagnesium