🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
60 Servings
Botanical with Nutrients Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

25 mcg (417% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
25 mg (250% DV)
📊 5.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 25mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 60mg
50 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 50mg
100 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 100mg
Lecithin
25 mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Stearic Acid Croscarmellose Sodium Magnesium Stearate Silica Pharmaceutical Glaze

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (89% of products) Nutrient (56% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one tablet twice daily, preferably with a meal.

⚠️ Warnings & Precautions

Caution: Consult your physician prior to using this product if you are pregnant, nursing, or have any pre-existing medical conditions.

Keep out of reach of children

Do not purchase if seal if broken

CONTAINS: SOY

🧪 Formulation Notes

CONTAINS: SOY

This unique formulation combines essential vitamins B5 and B12, amino acids L-Glutamine and L-Tyrosine, Ginkgo Biloba, and Lecithin.

Additional Information

Item #102039 E9120601/070812/9102039 A

Sharp Thinking Ultra is a powerful formula that may help improve mental clarity and concentration levels, and enhance memory and cognitive function in adults. This unique formulation combines essential vitamins B5 and B12, amino acids L-Glutamine and L-Tyrosine, Ginkgo Biloba, and Lecithin. This potent combination of ingredients helps support the ability to think more clearly and focus on important issues throughout a busy day.

Note: The color, taste, and texture of this product may vary due to its natural ingredients and/or seasonal changes.

Protect from heat, light and moisture Store at 59-86(0)F (15-30(0)C)

Made in the USA

Product Details

DSLD Entry Date 2013-12-24
Product Type Botanical with Nutrients
Form Tablet or Pill
Brand TimeFighters
DSLD ID 28751
Data Updated 2026-04-11

Research Evidence

237 Research Sources
53 Avg Quality Score
83 Meta Analysis
74 Systematic Review
45 Rct
29 Clinical Trial
2 Guideline
2 Regulatory Source
1 Openfda Safety
A Associations between serum Homocysteine, vitamin B9, and vitamin B12 levels and the formation of intracranial Aneurysms: A systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2025
A Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
Meta Analysis Critical reviews in food science and nutrition 2019
A Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018
A Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
Meta Analysis Nutrients 2021
A Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Systematic Review Irish journal of medical science 2024
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024
B A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
Meta Analysis Nutrition reviews 2024
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023
View all evidence for Vitamin B12 →

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