Ultimate Ascorbate C 1000 mg

Ultimate Ascorbate C 1000 mg

Source Naturals4.7 (302 ratings)
Format:Tablet Quantity: 100 Tablet(s) · 50 servings
Goals
$15.11 $0.30 per serving

About this product

Vitamin C is the main reason to choose the blend, supporting normal collagen formation, immune function and antioxidant defenses. The two-tablet serving supplies 2,000 mg in a mixture of mineral ascorbates. That large amount does not establish greater skin, joint or immune benefit than meeting nutritional needs.

The mineral ascorbate sources are named, but their proportions are undisclosed, so no amount can be assigned to an individual vitamin C form. Zinc ascorbate supplies 23 mg zinc, while copper contributes 0.5 mg and manganese contributes 5 mg. The mixture offers more nutritional coverage than vitamin C alone, although its digestive tolerance cannot be assumed from the ingredient names.

Vitamin C and manganese provide favorable value, but the added ingredients do not make this a complete bone or joint supplement. Calcium at 145 mg, magnesium at 98 mg and vitamin D at 2 mcg are modest contributions, and rutin at 30 mg has limited support for the wider goals. The fit is strongest for someone specifically seeking vitamin C who also needs the included minerals.

Who is it for
  • Adults specifically seeking vitamin C with minerals who have checked the zinc and manganese amounts against their existing intake.
Best for
  • Supporting normal collagen formation and immune nutrition.
  • Obtaining vitamin C from named mineral ascorbate sources.

Pros

  • The total vitamin C amount and mineral-ascorbate sources are identified.
  • Vitamin C and manganese offer favorable value.
  • Zinc, copper and manganese amounts are separately stated.

Cons

  • The 2,000 mg vitamin C amount does not establish added benefit beyond adequate intake.
  • Vitamin C and magnesium source proportions are undisclosed.
  • Calcium, magnesium and vitamin D supply only modest coverage for bone-focused use.
  • The small rutin amount adds limited support for the wider intended benefits.

Warnings

  • The serving already supplies 2,000 mg vitamin C; adding further vitamin C can increase the risk of digestive intolerance.
  • Zinc at 23 mg and manganese at 5 mg should be counted before combining the blend with another mineral supplement, to avoid unnecessary duplicate intake.

Product analysis

57 out of 100

Ultimate Ascorbate C 1000 mg supplies vitamin C and minerals that support normal immune function and collagen formation. Missing details about the mixed forms make it harder to compare the full formula.

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

Nutrient Quality44

Zinc has a favorable absorption form, and the manganese form is also identified. Several other ingredients lack form details, so the quality of the full mixture remains uncertain.

Ingredient Transparency68

Listed amounts are disclosed, and most nutrient forms are named. The proportions within the vitamin C and magnesium mixtures are missing, limiting comparisons between their different forms.

Value For Money53

Value is favorable for vitamin C and manganese, while the zinc comparison is more moderate. Value for most of the other ingredients remains uncertain.

Customer Satisfaction75

Customer ratings are very positive across hundreds of reviews. The feedback gives a useful picture of satisfaction, without confirming the claimed range of health benefits.

Product Focus56

Vitamin C and zinc give the clearest support for normal immune function, with benefits most useful when intake is low. The broad range of other health aims does not mean broader results, and the large vitamin C serving does not establish added benefit.

Format
Tablet
Container
100 Tablet(s)
Per serving
$0.30
Customer rating
4.7 · 302 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
B- Ingredient FitB+ PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 98 mgVitamin C · 2000 mgZinc · 23 mgVitamin D · 2 mcg
Study evidence
Magnesium Supportive 8 studies
Vitamin C Supportive 53 studies
Vitamin D Supportive 85 studies
Zinc Supportive 73 studies
Everyday Health
Impact
High effect
B- Ingredient FitC PathwaysB- EvidenceA+ Formulation Logic
Vitamin D · 2 mcgMagnesium · 98 mgZinc · 23 mgVitamin C · 2000 mg
Study evidence
Magnesium Supportive 114 studies
Vitamin C Supportive 56 studies
Vitamin D Supportive 115 studies
Zinc Supportive 60 studies
Skin Health
Impact
Moderate effect
C- Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 23 mgVitamin C · 2000 mgCopper · 500 mcg
Study evidence
Copper Supportive 16 studies
Vitamin C Supportive 53 studies
Zinc Supportive 66 studies
Impact
High effect
C+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin D · 2 mcgVitamin C · 2000 mg
Study evidence
Magnesium Supportive 41 studies
Rutin Supportive 6 studies
Vitamin C Supportive 50 studies
Vitamin D Supportive 101 studies
Zinc Supportive 64 studies
Hair Health
Impact
High effect
C Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin D · 2 mcgZinc · 23 mgVitamin C · 2000 mg
Study evidence
Copper Adverse 4 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies
Bone Health
Impact
High effect
B- Ingredient FitC PathwaysA EvidenceA+ Formulation Logic
Magnesium · 98 mgCalcium · 145 mgVitamin D · 2 mcgCopper · 500 mcgManganese · 5 mgZinc · 23 mgVitamin C · 2000 mg
Study evidence
Calcium Supportive 144 studies
Copper Disputed 20 studies
Magnesium Supportive 48 studies
Manganese Adverse 12 studies
Potassium Supportive 39 studies
Vitamin C Supportive 46 studies
Vitamin D Supportive 202 studies
Zinc Supportive 33 studies

Ingredients

IngredientAmount per servingScore
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
Vitamin C (Calcium Ascorbate, Magnesium Ascorbate, Manganese Ascorbate, Potassium Ascorbate, Zinc Ascorbate)
2000 mg 67
Vitamin D3 (Cholecalciferol)
2 mcg
Calcium (Calcium Ascorbate)
145 mg
Magnesium (Magnesium Ascorbate, Magnesium Citrate, Magnesium Oxide)
98 mg
Zinc (Zinc Ascorbate)
23 mg 73
Copper (Copper Sebacate)
500 mcg
Manganese (Manganese Ascorbate)
5 mg 84
Potassium (Potassium Ascorbate)
99 mg
Citrus Bioflavonoid Complex
250 mg
Hesperidin
30 mg
Rutin
30 mg 83
Gluten Free Adults 18–50 Dairy Free
Report overview
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Each serving provides 5 mg of manganese at a moderate cost per serving. It is an amount within the stated range for bone and joint support. It uses Manganese Ascorbate, though its precise absorption characteristics are uncertain.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

It uses Manganese Ascorbate, though its precise absorption characteristics are uncertain.
Manganese Chemical Form
It uses Manganese Ascorbate, though its precise absorption characteristics are uncertain.

Dose, Safety & Label Transparency100

The serving provides 5 mg, an amount within the stated range for bone and joint support. The manganese amount and source are clearly stated.
Manganese Dosage Efficacy & Safety
A serving provides 5 mg, an amount within the stated range for bone and joint support.
Elemental Weight Disclosure
The manganese amount and source are clearly stated.

Value80

The cost per serving is moderate.
Price per Serving vs. Median
The cost per serving is moderate.
B+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyC Value
+2
The serving supplies 23 mg of zinc. The cost per serving is moderate. The zinc comes from zinc ascorbate. The serving also contains 0.5 mg of copper.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

The zinc comes from zinc ascorbate.
Zinc Form Bioavailability
The zinc comes from zinc ascorbate.

Dose, Safety & Label Transparency73

The serving supplies 23 mg of zinc. The serving also contains 0.5 mg of copper.
Elemental Dose Transparency
The label states 23 mg of zinc per serving.
Zinc Dosage Safety & Effectiveness
The serving supplies 23 mg of zinc.
Zinc-to-Copper Mineral Balance
The serving also contains 0.5 mg of copper.

Value60

The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
C Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyB+ Value
+1
It provides 2000 mg of vitamin C per serving at a low cost per gram of vitamin C. The vitamin C comes from Calcium Ascorbate and Magnesium Ascorbate and Manganese Ascorbate and Potassium Ascorbate and Zinc Ascorbate, but the proportions are not disclosed. Its stomach comfort is unclear.
How this ingredient is rated

Active Ingredient Quality & Bioavailability62

The vitamin C comes from Calcium Ascorbate and Magnesium Ascorbate and Manganese Ascorbate and Potassium Ascorbate and Zinc Ascorbate, but the proportions are not disclosed. The blend proportions are not disclosed, leaving the degree of buffering unclear.
Vitamin C Chemical Form & Delivery System
The vitamin C comes from Calcium Ascorbate and Magnesium Ascorbate and Manganese Ascorbate and Potassium Ascorbate and Zinc Ascorbate, but the proportions are not disclosed.
Gastric Comfort & pH Balance
The blend proportions are not disclosed, leaving the degree of buffering unclear.

Dose, Safety & Label Transparency66

A serving provides 2000 mg of vitamin C. The available other-ingredient panel has no flagged sweeteners or artificial colors.
Optimal Dosage Targeting
Each serving provides 2000 mg of vitamin C, a high amount.
Purity & Excipient Quality
The available other-ingredient panel has no flagged sweeteners or artificial colors.
Mineral & Source Transparency
The vitamin C amount and sources are stated, but their proportions are unknown.

Value80

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

Sources

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

  1. What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  2. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  3. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  4. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  5. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium
  6. The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
    Ju Y; Xiong W; Pang Y; Chen Z; Hou J; Zheng S; Li Z; Liu T; Xia H; Xia M; Zhong Y; Li J; Jiang X · Biological trace element research · 2026
    Scoping review18 studies pooledBone Health forCopper
  7. Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
    Chen M; Jia L; Gao R · Frontiers in nutrition · 2024
    Cohort study5,286 participantsBone Health forCopper
  8. Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
    Hu M; Wang Z; Li C; Zheng Y; Hu J · Medicine · 2025
    Cross-sectional studyBone Health forCopper
  9. The association between dietary mineral intake and bone mineral density: a cross-sectional study.
    Wei M; Wei J; Huang S · Journal of health, population, and nutrition · 2025
    Cross-sectional study11,520 participantsBone Health forCopper
  10. Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
    Cui A; Yan J; Li H; Fan Z; Wei X; Wang H; Zhuang Y · PloS one · 2024
    Cross-sectional study6,965 participantsBone Health forCopper
  11. Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
    Dominguez LJ; Veronese N; Ciriminna S; Pérez-Albela JL; Vásquez-López VF; Rodas-Regalado S; Di Bella G; Parisi A; Tagliaferri F; Barbagallo M · Nutrients · 2023
    Meta-analysis119,755 participants4 studies pooledBone Health forMagnesium
  12. Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
    Hung CH; Kwok YC; Yip J; Wong HH; Leung YY · Craniomaxillofacial trauma & reconstruction · 2025
    Systematic review386 participants8 studies pooledBone Health forMagnesium
  13. Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
    Zhao D; Huang S; Lu F; Wang B; Yang L; Qin L; Yang K; Li Y; Li W; Wang W; Tian S; Zhang X; Gao W; Wang Z; Zhang Y; Xie X; Wang J; Li J · Biomaterials · 2016
    Randomized trial48 participantsBone Health forMagnesium
  14. An update on magnesium and bone health.
    Rondanelli M; Faliva MA; Tartara A; Gasparri C; Perna S; Infantino V; Riva A; Petrangolini G; Peroni G · Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2022
    Narrative reviewBone Health forMagnesium
  15. Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
    Wang B; Tan X; Yao X; Zhu Z · Endocrine connections · 2025
    Cross-sectional study1,343 participantsBone Health forMagnesium
  16. Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
    Ling R; Ai Y; Chen C; Zhang J; Zou Z; Cheng S; Li C; Li X; Wang B · Metabolites · 2023
    Cross-sectional study2,640 participantsBone Health forManganese
  17. The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
    Taskozhina G; Batyrova G; Umarova G; Issanguzhina Z; Kereyeva N · Journal of clinical medicine · 2024
    Narrative reviewBone Health forManganese
  18. Associations of multiple metals with bone mineral density: A population-based study in US adults.
    Wei MH; Cui Y; Zhou HL; Song WJ; Di DS; Zhang RY; Huang Q; Liu JA; Wang Q · Chemosphere · 2021
    Cross-sectional studyBone Health forManganese
  19. Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
    Li H; Li G; Yi M; Zhou J; Deng Y; Huang Y; He S; Meng X; Liu L · Frontiers in public health · 2024
    Cross-sectional study31 participantsBone Health forManganese
  20. Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.
    Wang C; Zhu Y; Long H; Ou M; Zhao S · PloS one · 2022
    Cross-sectional study9,732 participantsBone Health forManganese