RevitalX

RevitalX

Natural Factors4.6 (77 ratings)
Format:Powder Quantity: 1 lb(s) · 14 servings
Goals
$24.47 $1.74 per serving

Product analysis

47 out of 100

RevitalX offers broad nutritional support, with B vitamins and minerals most useful when your diet leaves gaps. Several ingredients are relatively costly for their amounts.

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

Nutrient Quality47

Some vitamin and mineral forms are clearly identified, including favorable B5 and potassium sources. Many other comparisons remain uncertain, and missing blend proportions limit assessment of the complete formula.

Ingredient Transparency66

Most amounts and many ingredient forms are disclosed, but the bifidobacteria amount is missing. The calcium mixture and proprietary blend also lack proportions, limiting comparisons of the complete formula.

Value For Money37

Value is limited for several vitamins and amino acids at the serving cost. Potassium compares more favorably, while many other ingredient comparisons remain uncertain.

Customer Satisfaction69

Customer feedback is positive, but the number of ratings is modest. The satisfaction pattern is therefore less settled than a large review base would.

Product Focus10

The formula spans many ingredients, with its clearest role in filling nutritional gaps. The broad mixture and undisclosed blend details do not establish extra energy or heart benefits once needs are met.

Format
Powder
Container
1 lb(s)
Per serving
$1.74
Customer rating
4.6 · 77 ratings
Report analysis

Goals

Impact
Moderate effect
C- Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Iodine · 50 mcgVitamin D · 2.25 mcg DFEVitamin B5 · 25 mgMagnesium · 100 mgRiboflavin · 10 mgThiamin · 12.5 mgVitamin B12 · 100 mcgIron · 2.5 mgPotassium · 100 mg
Study evidence
Iodine Adverse 3 studies
Iron Supportive 74 studies
Magnesium Supportive 4 studies
Potassium Supportive 2 studies
Thiamin Disputed 12 studies
Vitamin D Supportive 32 studies
Impact
High effect
D Ingredient FitC PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 100 mgVitamin B12 · 100 mcgVitamin B6 · 25 mgFolate · 425 mcg DFEVitamin D · 2.25 mcg DFE
Study evidence
Folate Supportive 116 studies
Magnesium Supportive 158 studies
Niacin Supportive 105 studies
Potassium Supportive 182 studies
Selenium Mixed 89 studies
Vitamin B6 Supportive 44 studies
Vitamin D Mixed 164 studies
Impact
Moderate effect
C- Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Niacin · 8 mgVitamin B12 · 100 mcgRiboflavin · 10 mgThiamin · 12.5 mgVitamin B5 · 25 mgVitamin B6 · 25 mgVitamin D · 2.25 mcg DFEZinc · 12.5 mgMagnesium · 100 mg
Study evidence
Chromium Supportive 47 studies
Iodine Mixed 17 studies
Magnesium Supportive 61 studies
Niacin Supportive 17 studies
Selenium Mixed 28 studies
Thiamin Supportive 11 studies
Vitamin B6 Supportive 16 studies
Vitamin D Supportive 65 studies
Zinc Supportive 12 studies

Ingredients

IngredientAmount per servingScore
Calories
120 Calorie(s)
Total Fat
3.5 Gram(s)
Total Carbohydrate
11 Gram(s)
Protein
12 Gram(s)
Vitamin A (Beta-Carotene)
2880 mcg
Vitamin C (Ascorbic Acid)
75 mg
Vitamin D3 (Cholecalciferol)
2.25 mcg DFE
Vitamin E (D-Alpha-Tocopheryl Acetate)
16.5 mg
Thiamine (Thiamine Hydrochloride)
12.5 mg 65
Riboflavin
10 mg 40
Niacin (Niacinamide)
8 mg
Vitamin B6 (Pyridoxine Hydrochloride)
25 mg 69
Folate (Folic Acid)
425 mcg DFE
Vitamin B12 (Cyanocobalamin)
100 mcg
Pantothenic Acid (Calcium Pantothenate)
25 mg 61
Calcium (Calcium Citrate, Calcium Sulfate, Dicalcium Phosphate)
210 mg
Iron (Pea Protein)
2.5 mg 32
Phosphorus (Dicalcium Phosphate)
42 mg
Iodine (Potassium Iodide)
50 mcg
Magnesium (Magnesium Citrate)
100 mg
Zinc (Zinc Citrate)
12.5 mg
Selenium (Selenium Amino Acid Chelate)
50 mcg
Chromium (Chromium Chelate)
50 mcg
Molybdenum (Molybdenum Citrate)
12.5 mcg
Sodium (Pea Protein)
125 mg 70
Potassium (Potassium Citrate)
100 mg 74
Golden Pea Protein
14 Gram(s)
Medium Chain Triglycerides (Coconut)
2500 mg
Bifidobacterium longum patented strain BB536
0 NP
Soy Lecithin
1500 mg
Guar Gum
1300 mg
L-Glutamine
1000 mg 59
Fructooligosaccharides
560 mg
L-Lysine
119 mg 37
Stevia extract
118 mg
L-Glycine
77 mg 48
N-Acetyl-L-Cysteine
42 mg
Pepzyme AG Enzymes (Proteases)
37.5 mg
Quercetin (Quercetin Dihydrate)
28 mg
N-Acetyl Glucosamine
12.5 mg
Grape seed extract
11 mg
Milk Thistle extract
11 mg
Silymarin
6.6 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
A+ Ingredient Form & Label QualityC Dose, Safety & Label TransparencyF Value
Each serving provides 25 mg of B6 at a fairly high cost per mg. That amount exceeds the 12 mg daily adult upper limit set by EFSA. It uses Pyridoxine Hydrochloride.
How this ingredient is rated

Ingredient Form & Label Quality100

The B6 source is Pyridoxine Hydrochloride. The listed Other Ingredients show no dyes, titanium dioxide or talc.
Vitamin B6 Form Identification
The B6 source is Pyridoxine Hydrochloride.
Clean Label and Excipient Purity
The listed Other Ingredients show no dyes, titanium dioxide or talc.

Dose, Safety & Label Transparency60

25 mg per serving exceeds the 12 mg daily adult upper limit set by EFSA. The chemical source is named.
Vitamin B6 Dose & Safety Policy
25 mg per serving exceeds the 12 mg daily adult upper limit set by EFSA.
Label Transparency
The chemical source of B6 is named.

Value26

The cost per mg of B6 is fairly high.
Vitamin B6 Price Efficiency
The cost per mg of B6 is fairly high.
Glutamine · 1000 mg OverallScore59
B- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value
1000 mg of L-glutamine per serving comes at a high cost per gram. The amount is clearly stated. No specific grade is named.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

It uses L-glutamine; no specific grade is named.
Glutamine Grade & Purity
It uses L-glutamine; no specific grade is named.

Dose, Safety & Label Transparency70

Each serving contains 1000 mg of L-glutamine.
Therapeutic Dosage Strength
Each serving contains 1000 mg of L-glutamine.
Label Transparency & Blends
The L-glutamine amount is individually stated per serving.

Value15

The cost per gram of glutamine is high.
Price per Gram of L-Glutamine
The cost per gram of glutamine is high.
A+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyB+ Value
Report alternatives

Sources

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

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine
  4. Large-dose intravenous ferric carboxymaltose injection for iron deficiency anemia in heavy uterine bleeding: a randomized, controlled trial.
    Van Wyck DB; Mangione A; Morrison J; Hadley PE; Jehle JA; Goodnough LT · Transfusion · 2010
    Randomized trial477 participantsEnergy forIron
  5. The Effect of Parenteral or Oral Iron Supplementation on Fatigue, Sleep, Quality of Life and Restless Legs Syndrome in Iron-Deficient Blood Donors: A Secondary Analysis of the IronWoMan RCT.
    Macher S; Herster C; Holter M; Moritz M; Matzhold EM; Stojakovic T; Pieber TR; Schlenke P; Drexler C; Amrein K · Nutrients · 2021
    Randomized trial176 participantsEnergy forIron
  6. Ferric carboxymaltose vs. oral iron in the treatment of pregnant women with iron deficiency anemia: an international, open-label, randomized controlled trial (FER-ASAP).
    Breymann C; Milman N; Mezzacasa A; Bernard R; Dudenhausen J; FER-ASAP investigators · Journal of perinatal medicine · 2018
    Randomized trial252 participantsEnergy forIron
  7. Effect of iron therapy on fatigue symptoms in non-anaemic iron deficient women of reproductive age- A Randomized Controlled Trial.
    Sultana N; Bajwa FA; Sikandar MZ; Haider MM; Majeed T · JPMA. The Journal of the Pakistan Medical Association · 2026
    Randomized trial164 participantsEnergy forIron
  8. Intravenous iron isomaltoside treatment of women suffering from severe fatigue after postpartum hemorrhage.
    Holm C; Thomsen LL; Langhoff-Roos J · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2019
    Randomized trial85 participantsEnergy forIron
  9. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  10. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  11. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  12. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  13. [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
    Esin RG; Khayrullin IK; Esin OR; Fatykhova AF; Gismatullina EI; Isaeva YN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2023
    Randomized trial37 participantsEnergy forPotassium
  14. Human resting energy expenditure in relation to dietary potassium.
    Dériaz O; Thériault G; Lavallée N; Fournier G; Nadeau A; Bouchard C · The American journal of clinical nutrition · 1991
    Randomized trial8 participantsEnergy forPotassium
  15. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  16. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  17. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  18. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  19. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy Metabolism Support forRiboflavin
  20. Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
    Smidt LJ; Cremin FM; Grivetti LE; Clifford AJ · Journal of gerontology · 1991
    Randomized trial80 participantsEnergy forThiamin