Stamina Kit by VitalBulk — Ingredients, Evidence & Safety

🟢 98/100

This product looks safe

Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
Folic Acid: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
60% of ingredients have research evidence

D Label Compliance Grade

Product Label

📄 Open Full PDF View on NIH DSLD →

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

⚠️ Folic Acid: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Pack Serving Size

Other Combinations Product Type

60% Evidence Coverage

Supplement Facts — Evidence Check

Calories

15 Calorie(s) (1% DV)

Total Fat

1 Gram(s) (1% DV)

Vitamin A

3000 mcg RAE (333% DV)

Vitamin C

1000 mg (1111% DV)

Vitamin D3

10 mcg (50% DV)

✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.01mg UL 0.1mg

Vitamin E

267 mg (1780% DV)

📊 17.8× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 267mg UL 1000mg

Vitamin B1

50 mg (4167% DV)

📊 41.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 50mg

Vitamin B2

50 mg (3846% DV)

📊 38.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 50mg

Niacin

50 mg NE (313% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 50mg UL 35mg

Vitamin B6

50 mg (2941% DV)

📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 50mg UL 100mg

Folic Acid

400 mcg DFE (100% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 400.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 400mg UL 1.0mg

Vitamin B12

50 mcg (2083% DV)

📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.05mg

Biotin

50 mcg (125% DV)

✅ 1.7× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.05mg

Pantothenic Acid

50 mg (1000% DV)

📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 50mg

Calcium

250 mg (19% DV)

Iron

9 mg (50% DV)

Iodine

112 mcg (75% DV)

✅ Within RDA (0.7× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.112mg UL 1.1mg

Magnesium

125 mg (30% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 125mg

Zinc

7.5 mg (68% DV)

✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 7.5mg UL 40mg

Selenium

35 mcg (64% DV)

✅ Within RDA (0.6× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.035mg UL 0.4mg

Copper

1 mg (111% DV)

✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 1mg UL 10mg

Manganese

2 mg (87% DV)

✅ Within RDA (0.9× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 2mg UL 11mg

Chromium

60 mcg (171% DV)

✅ 1.7× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)

RDA 0.035mg This product: 0.06mg

Molybdenum

37 mcg (82% DV)

✅ Within RDA (0.8× RDA of 0.045 mg) 📚 2 studies — no high-quality reviews

RDA 0.045mg This product: 0.037mg UL 2mg

Potassium

23 mg (1% DV)

Fish Oil

1200 mg

📊 Market median: 750.0mg (447 products) 📚 388 studies (Tier A: 18, B: 204)

This product: 1200mg UL 3000mg

Caffeine

100 mg

📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)

This product: 100mg UL 400mg

Cobalt

1 mcg

L-Isoleucine

10 mcg

📊 Market median: 17.4mg (161 products)

Median 17.4mg This product: 0.01mg

Taurine

900 mg

📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)

This product: 900mg

Other Ingredients

Gelatin Cellulose Soy Oil Vegetable Stearates Magnesium Stearate Glycerin Rice concentrate Silicon Dioxide

Label Claims — Verification

❓ Nutrient

❓ All Other

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free

Product Information

📋 Directions for Use

Suggested Use: Take one packet/kit, eight (8) pills, daily with food. Do not exceed recommended daily dose unless directed by your healthcare practitioner.

⚠️ Warnings & Precautions

Do not exceed recommended daily dose unless directed by your healthcare practitioner.

Keep out of reach of children in a cool, dry place.

Allergy Information: Contains fish and soy

This product may be produced in a facility that also makes products containing milk, eggs, fish, crustacean shellfish, tree nuts, wheat, peanuts, and soy.

Food supplements should not be used as a substitute for a varied diet.

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or poison control immediately. Not recommended for use by children under 18 years of age, nursing or pregnant women.

Not recommended for use by children under 18 years of age, nursing or pregnant women.

In case of adverse event call: 855-885-2855

🧪 Formulation Notes

100 mg Caffeine - controlled release 900 mg Taurine High antioxidant complex

Each Stamina Kit Contains: One (1) bronze soft gel capsule = vitamin A&D One (1) yellow 2-piece capsule = B 50 complex One (1) off white 2-piece capsule = vitamin C One (1) golden soft gel capsule = vitamin E One (1) off-white speckled tablet = multi mineral One (1) yellow softgel capsule = omega 3 fish oil One (1) stark white 2 piece capsule = taurine One (1) white oblong tablet = caffeine

Tested gluten free Certified nonGE tested

Additional Information

Each kit contains eight (8) pills Servings Per Container = Varied

Keep out of reach of children in a cool, dry place.

Product Details

DSLD Entry Date 2022-01-22

Product Type Other Combinations

Form Other (e.g. tea bag)

Brand VitalBulk

DSLD ID 258765

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →