Effervescent Vitamin C Magnesium Crystals

Effervescent Vitamin C Magnesium Crystals

Life Extension4.5 (174 ratings)
Format:Powder Quantity: 180 Gram(s) · 30 servings
Goals

Product analysis

63 out of 100

Effervescent Vitamin C Magnesium Crystals can help fill gaps in vitamin C and magnesium intake. Magnesium carbonate is a less favorable choice for absorption.

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

Nutrient Quality33

Magnesium carbonate is the clearest quality limitation because its absorption potential is less favorable. The other named vitamin forms cannot be compared confidently for absorption.

Ingredient Transparency100

All ingredient amounts and forms are disclosed. That makes it straightforward to compare what a serving contains.

Value For Money56

Vitamin C is inexpensive for the amount provided, while magnesium offers much weaker value. Vitamin B6 cannot be compared reliably, leaving a mixed picture for the whole serving.

Customer Satisfaction69

Customers generally give positive ratings. The relatively small review base makes the satisfaction picture less settled.

Product Focus74

The short ingredient list mainly serves nutritional needs for vitamin C and magnesium. Its many associated goals do not mean the very large vitamin C amount delivers stronger benefits.

Format
Powder
Container
180 Gram(s)
Per serving
$0.50
Customer rating
4.5 · 174 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
B+ Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 250 mgVitamin C · 4500 mg
Study evidence
Magnesium Supportive 8 studies
Vitamin C Supportive 53 studies
Impact
Highest effect
A- Ingredient FitA PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 250 mgVitamin C · 4500 mg
Study evidence
Magnesium Supportive 114 studies
Vitamin C Supportive 56 studies
Energy
Impact
High effect
B+ Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 4 studies
Bone Health
Impact
High effect
B+ Ingredient FitD- PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 250 mgVitamin C · 4500 mg
Study evidence
Magnesium Supportive 48 studies
Vitamin C Supportive 46 studies
Inflammation
Impact
High effect
B Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin C · 4500 mg
Study evidence
Magnesium Supportive 41 studies
Vitamin C Supportive 50 studies
Stress Relief
Impact
High effect
B+ Ingredient FitD PathwaysB EvidenceA+ Formulation Logic
Magnesium · 250 mgVitamin B6 · 4 mgVitamin C · 4500 mg
Study evidence
Magnesium Supportive 13 studies
Vitamin C Supportive 11 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Ascorbic Acid)
4500 mg 58
Vitamin B6 (Pyridoxine Hydrochloride)
4 mg
Magnesium (Magnesium Carbonate)
250 mg 50
Gluten Free Adults 18–50 Vegetarian
Report overview
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
A serving provides 4500 mg of vitamin C at a low cost per gram. It uses ascorbic acid, an unbuffered form. At this high amount, absorption efficiency falls and diarrhea risk increases.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

Vitamin C comes from ascorbic acid. Ascorbic acid is an unbuffered acid form.
Vitamin C Chemical Form & Delivery System
Vitamin C comes from ascorbic acid.
Gastric Comfort & pH Balance
Ascorbic acid is an unbuffered acid form.

Dose, Safety & Label Transparency66

A serving provides 4500 mg of vitamin C. At this high amount, absorption efficiency falls and diarrhea risk increases. The available other-ingredient panel has no flagged additives.
Optimal Dosage Targeting
A serving provides 4500 mg of vitamin C. At this high amount, absorption efficiency falls and diarrhea risk increases.
Purity & Excipient Quality
The available other-ingredient panel has no flagged additives.
Mineral & Source Transparency
The vitamin C amount and ascorbic acid source are stated.

Value100

The cost per gram of vitamin C is low.
Price per Gram of Vitamin C
The cost per gram of vitamin C is low.
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
A serving provides 250 mg of magnesium at a moderate whole-serving cost. The magnesium comes from magnesium carbonate. No calcium is recorded in the serving.
How this ingredient is rated

Active Ingredient Quality & Bioavailability14

The magnesium comes from magnesium carbonate. A specific branded chelation claim is not stated.
Magnesium Form & Absorption Potential
The magnesium comes from magnesium carbonate.
Patented Materials & Chelation Quality
A specific branded chelation claim is not stated.

Dose, Safety & Label Transparency100

The serving provides 250 mg of elemental magnesium. No calcium is recorded in the serving.
Elemental Yield Transparency
The label states 250 mg of elemental magnesium per serving.
Therapeutic Dosage Alignment
The serving provides 250 mg of elemental magnesium.
Synergistic Formulation Logic
No calcium is recorded in the serving.

Value20

The whole serving costs a moderate amount; its magnesium is magnesium carbonate.
Price Per Elemental Quality
The whole serving costs a moderate amount; its magnesium is magnesium carbonate.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. The Effects of the AGE Inhibitor Pyridoxamine on Bone in Older Women With Type 2 Diabetes: A Randomized Clinical Trial.
    Brossfield AV; McMahon DJ; Fernando J; Omeragic B; Majeed R; Agarwal S; Sroga GE; Wang B; Vashishth D; Rubin MR · The Journal of clinical endocrinology and metabolism · 2025
    Randomized trial55 participantsBone Health forVitamin B6
  7. Dietary B vitamin intake and risk of hip fracture: the Singapore Chinese Health Study.
    Dai Z; Wang R; Ang LW; Yuan JM; Koh WP · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Cohort study63,257 participantsBone Health forVitamin B6
  8. Hip fracture patients may be vitamin B6 deficient. Controlled study of serum pyridoxal-5'-phosphate.
    Reynolds TM; Marshall PD; Brain AM · Acta orthopaedica Scandinavica · 1993
    Case-control study103 participantsBone Health forVitamin B6
  9. Degree of mineralization-related collagen crosslinking in the femoral neck cancellous bone in cases of hip fracture and controls.
    Saito M; Fujii K; Marumo K · Calcified tissue international · 2006
    Case-control study50 participantsBone Health forVitamin B6
  10. Adequate Intake and Supplementation of B Vitamins, in Particular Folic Acid, can Play a Protective Role in Bone Health.
    Rondanelli M; Tartara A; Fossari F; Vecchio V; Faliva MA; Naso M; Perna S; Nichetti M; Peroni G · Current aging science · 2022
    Narrative review35,298 participants29 studies pooledBone Health forVitamin B6
  11. Can Dietary Intake of Vitamin C-Oriented Foods Reduce the Risk of Osteoporosis, Fracture, and BMD Loss? Systematic Review With Meta-Analyses of Recent Studies.
    Zeng LF; Luo MH; Liang GH; Yang WY; Xiao X; Wei X; Yu J; Guo D; Chen HY; Pan JK; Huang HT; Liu Q; Guan ZT; Han YH; Zhao D; Zhao JL; Hou SR; Wu M; Lin JT; Li JH; Liang WX; Ou AH; Wang Q; Li ZP; Liu J · Frontiers in endocrinology · 2020
    Meta-analysis19,484 participants17 studies pooledBone Health forVitamin C
  12. Dietary vitamin C intake and the risk of hip fracture: a dose-response meta-analysis.
    Sun Y; Liu C; Bo Y; You J; Zhu Y; Duan D; Cui H; Lu Q · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2019
    Meta-analysis6 studies pooledBone Health forVitamin C
  13. Smoking, antioxidant vitamins, and the risk of hip fracture.
    Melhus H; Michaëlsson K; Holmberg L; Wolk A; Ljunghall S · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1999
    Cohort study66,651 participantsBone Health forVitamin C
  14. Micronutrients and the risk of hip fracture: Case-control study.
    Torbergsen AC; Watne LO; Wyller TB; Frihagen F; Strømsøe K; Bøhmer T; Mowe M · Clinical nutrition (Edinburgh, Scotland) · 2018
    Case-control study189 participantsBone Health forVitamin C
  15. Favorable effect of dietary vitamin C on bone mineral density in postmenopausal women (KNHANES IV, 2009): discrepancies regarding skeletal sites, age, and vitamin D status.
    Kim YA; Kim KM; Lim S; Choi SH; Moon JH; Kim JH; Kim SW; Jang HC; Shin CS · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2016
    Cross-sectional study1,196 participantsBone Health forVitamin C
  16. Circulating and dietary magnesium and risk of cardiovascular disease: a systematic review and meta-analysis of prospective studies.
    Del Gobbo LC; Imamura F; Wu JH; de Oliveira Otto MC; Chiuve SE; Mozaffarian D · The American journal of clinical nutrition · 2013
    Meta-analysis313,041 participants16 studies pooledCardiovascular Support forMagnesium
  17. Magnesium and the risk of cardiovascular events: a meta-analysis of prospective cohort studies.
    Qu X; Jin F; Hao Y; Li H; Tang T; Wang H; Yan W; Dai K · PloS one · 2013
    Meta-analysis532,979 participants19 studies pooledCardiovascular Support forMagnesium
  18. Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
    Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
    Meta-analysis544,581 participants18 studies pooledCardiovascular Support Heart Health forMagnesium
  19. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisCardiovascular Support Heart Health forMagnesium
  20. Serum magnesium, mortality, and cardiovascular disease in chronic kidney disease and end-stage renal disease patients: a systematic review and meta-analysis.
    Xiong J; He T; Wang M; Nie L; Zhang Y; Wang Y; Huang Y; Feng B; Zhang J; Zhao J · Journal of nephrology · 2020
    Meta-analysis200,934 participants20 studies pooledCardiovascular Support forMagnesium