Stress B with Zinc

Stress B with Zinc

21st Century4.7 (3,829 ratings)
Format:Tablet Quantity: 66 Tablet(s) · 66 servings
Goals
$6.49 $0.09 per serving

About this product

Nutritional support is more convincing than a specific stress-relief effect. The B vitamins contribute to normal energy use and blood formation, while 500 mg vitamin C and zinc support normal immune nutrition. Those roles are most useful when intake is inadequate and do not establish extra energy or stress relief from larger servings.

The 100 mg niacin serving is specifically niacinamide, and B5 is identified as D-calcium pantothenate. Mineral quality is less favorable: the formula uses zinc oxide and copper sulfate, with 23.9 mg zinc alongside 3 mg copper. The small calcium contribution does not make this a substantial bone-mineral supplement.

The low serving cost can suit someone wanting B vitamins and vitamin C together. Most amounts and forms are clear, although some details, including the folate form, remain unspecified. The broader hair, nail and metabolism goals should be viewed as nutritional roles, with no established extra benefit when nutrient needs are already met.

Who is it for
  • Adults seeking combined B-vitamin and vitamin C support for low dietary intake
  • People who want nutritional support for normal energy use and immune function
Best for
  • Covering several B-vitamin needs together
  • Adding vitamin C alongside a B-vitamin supplement

Pros

  • B vitamins cover normal energy-use and blood-formation roles
  • The 500 mg vitamin C amount is clearly stated
  • Niacinamide and D-calcium pantothenate identify the B3 and B5 sources
  • Low serving cost makes the combined nutrients accessible

Cons

  • A specific stress-relief effect is not established
  • Zinc oxide and copper sulfate offer less favorable absorption
  • The calcium amount is too small for substantial bone-mineral coverage
  • Higher vitamin amounts do not establish extra energy or a faster metabolism

Warnings

  • Ingredient findings flag an artificial color and a sweetener without identifying them; verify the full label if you need to avoid either.

Product analysis

66 out of 100

Stress B with Zinc supplies B vitamins, vitamin C and zinc to help cover nutritional needs and support normal energy use. Zinc oxide and copper sulfate are less readily absorbed sources, which reduces their appeal if those minerals are the reason for choosing it.

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

Nutrient Quality41

Niacin is clearly identified, and vitamin B5 uses a useful source. Zinc oxide and copper sulfate are less readily absorbed mineral choices, leaving uneven quality across the mix.

Ingredient Transparency94

Amounts and most ingredient forms are stated, making the serving easier to compare. A few unspecified forms still limit comparisons of ingredient quality.

Value For Money64

The serving cost is favorable for vitamin C, riboflavin, niacin, zinc and copper. Vitamin B5 is less economical, while value for several other vitamins remains uncertain.

Customer Satisfaction87

Customer feedback is strongly positive. The large rating pool gives a broader view of sentiment, without proving effectiveness or safety.

Product Focus60

The clearest role is support for normal nutrition and energy use when intake is low. The relatively compact ingredient list still spans many goals, with no supplied basis for assuming broad stress relief.

Format
Tablet
Container
66 Tablet(s)
Per serving
$0.09
Customer rating
4.7 · 3,829 ratings
Report analysis

Goals

Everyday Health
Impact
Highest effect
A- Ingredient FitA+ PathwaysB+ EvidenceA+ Formulation Logic
Folate · 667 mcg DFEVitamin B12 · 12 mcgZinc · 23.9 mgVitamin C · 500 mg
Study evidence
Folate Supportive 80 studies
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies
Immunity
Impact
High effect
C Ingredient FitB- PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 500 mgZinc · 23.9 mg
Study evidence
Vitamin C Supportive 53 studies
Vitamin E Supportive 21 studies
Zinc Supportive 73 studies
Impact
Moderate effect
B- Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Vitamin B5 · 20 mgRiboflavin · 10 mgThiamin · 10 mgVitamin B12 · 12 mcg
Study evidence
Thiamin Disputed 12 studies
Impact
Highest effect
B+ Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Biotin · 45 mcgZinc · 23.9 mgVitamin C · 500 mg
Study evidence
Biotin Supportive 4 studies
Copper Adverse 4 studies
Folate Mixed 15 studies
Niacin Disputed 2 studies
Vitamin E No effect 3 studies
Zinc Supportive 22 studies
Impact
Moderate effect
D Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Vitamin E · 13.5 mgVitamin C · 500 mg
Study evidence
Vitamin C Supportive 50 studies
Vitamin E Supportive 20 studies
Zinc Supportive 64 studies
Testosterone Support
Impact
Moderate effect
D+ Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Zinc · 23.9 mg
Study evidence
Vitamin E Disputed 3 studies
Zinc Disputed 7 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Ascorbic Acid)
500 mg 56
Vitamin E (DL-Alpha-Tocopheryl Acetate)
13.5 mg
Thiamine (Thiamine Mononitrate)
10 mg 60
Riboflavin
10 mg 54
Niacin (Niacinamide)
100 mg 91
Vitamin B6 (Pyridoxine Hydrochloride)
5 mg
Folate
667 mcg DFE
Vitamin B12 (Cyanocobalamin)
12 mcg
Biotin
45 mcg
Pantothenic Acid (D-Calcium Pantothenate)
20 mg 61
Calcium (Calcium Carbonate)
70 mg
Zinc (Zinc Oxide)
23.9 mg 62
Copper (Cupric Sulfate)
3 mg 58
Gluten Free Adults 18–50
Report overview
A- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
The serving provides 100 mg of niacin per serving at a low cost per serving. Niacinamide is a standard form of vitamin B3. The available information does not show a no-flush claim.
How this ingredient is rated

Active Ingredient Quality & Bioavailability86

Niacinamide is a standard form of vitamin B3.
Niacin Form & Goal Alignment
Niacinamide is a standard form of vitamin B3.
Precursor Source Quality
Niacinamide is a standard form without an advanced cellular-energy claim.

Dose, Safety & Label Transparency92

The form is Niacinamide. Niacinamide is a non-flushing form.
Clarity of Chemical Form
The form is Niacinamide.
Form-Specific Dosage Efficacy
100 mg of niacin per serving is provided as niacinamide.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; the available information does not show a no-flush claim.

Value100

The cost per serving is low.
Price Per Effective Serving
The cost per serving is low.
F Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB+ Value
It provides 500 mg of vitamin C per serving at a low cost per gram of vitamin C. The vitamin C comes from Ascorbic Acid. The other ingredients include an artificial color.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

The vitamin C comes from Ascorbic Acid. Ascorbic acid is an unbuffered acid.
Vitamin C Chemical Form & Delivery System
The vitamin C comes from Ascorbic Acid.
Gastric Comfort & pH Balance
Ascorbic acid is an unbuffered acid.

Dose, Safety & Label Transparency70

A serving provides 500 mg of vitamin C. The other ingredients include an artificial color and a sweetener.
Optimal Dosage Targeting
Each serving provides 500 mg of vitamin C, a substantial amount.
Purity & Excipient Quality
The other ingredients include an artificial color and a sweetener.
Mineral & Source Transparency
The vitamin C amount and Ascorbic Acid source are stated.

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.
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value
A serving supplies 23.9 mg of zinc as zinc oxide at a low cost per serving. The serving also contains 3 mg of copper.
How this ingredient is rated

Active Ingredient Quality & Bioavailability20

The zinc comes as zinc oxide.
Zinc Form Bioavailability
The stated form is zinc oxide.

Dose, Safety & Label Transparency85

The zinc amount and source are stated. The serving also contains 3 mg of copper.
Elemental Dose Transparency
The elemental zinc amount and its source are stated.
Zinc Dosage Safety & Effectiveness
A serving provides 23.9 mg of zinc.
Zinc-to-Copper Mineral Balance
The serving also contains 3 mg of copper.

Value100

The cost per serving is low.
Price Per Serving Efficiency
The cost per serving is low.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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 forRiboflavin
  6. 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
  7. Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Alimentary pharmacology & therapeutics · 2021
    Randomized trial40 participantsEnergy forThiamin
  8. Dietary reference values for thiamin.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Turck D; Bresson JL; Burlingame B; Dean T; Fairweather-Tait S; Heinonen M; Hirsch-Ernst KI; Mangelsdorf I; McArdle HJ; Naska A; Nowicka G; Pentieva K; Sanz Y; Siani A; Sjödin A; Stern M; Tomé D; Van Loveren H; Vinceti M; Willatts P; Lamberg-Allardt C; Przyrembel H; Tetens I; Gudelj Rakic J; Ioannidou S; de Sesmaisons-Lecarré A; Forss AC; Neuhäuser-Berthold M · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEnergy forThiamin
  9. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  10. Long-term maintenance treatment with 300 mg thiamine for fatigue in patients with inflammatory bowel disease: results from an open-label extension of the TARIF study.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Scandinavian journal of gastroenterology · 2022
    Randomized trialEnergy forThiamin
  11. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
    Dułak NA; Rytlewska M; Jaskólska M; Chmielewski M · Rheumatology international · 2024
    Case series3 participantsEnergy forVitamin B12
  12. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
    Markun S; Gravestock I; Jäger L; Rosemann T; Pichierri G; Burgstaller JM · Nutrients · 2021
    Meta-analysis6,276 participants16 studies pooledEnergy forVitamin B12
  13. Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
    Zubair AS; Saab L; Scharer K; Khokhar B · Brain circulation · 2024
    Qualitative study5 participantsEnergy forVitamin B12
  14. Cobalamin deficiency: clinical picture and radiological findings.
    Briani C; Dalla Torre C; Citton V; Manara R; Pompanin S; Binotto G; Adami F · Nutrients · 2014
    Narrative reviewEnergy forVitamin B12
  15. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  16. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsEveryday Health forFolate
  17. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsEveryday Health forFolate
  18. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsEveryday Health forFolate
  19. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewEveryday Health forFolate
  20. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledEveryday Health forFolate