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Sharp Thinking Ultra

product on market Tablet or Pill TimeFighters Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and amino acids like L-Tyrosine and L-Glutamine, which support energy metabolism and neurotransmitter synthesis. Ginkgo biloba is included for its moderate evidence in supporting cognitive function. Overall, research coverage for this specific combination is limited, though the individual ingredients maintain a high safety profile.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Sharp Thinking Ultra
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

25 mcg (417% DV)
10.4× RDA — above typical dose 139 studies (A:1, B:44)
25 mg (250% DV)
5.0× RDA — above typical dose 2 studies — no high-quality reviews
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)
50 mg
Market median: 420.0mg (227 products)
100 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Lecithin
25 mg

Other Ingredients

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

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

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

Metadata

Product Details

DSLD Entry Date2013-12-24
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandTimeFighters
DSLD ID28751
Data Updated2026-04-11
Research

Research Evidence

237
Research Sources
53
Avg Quality
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 PubMed DOI
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 PubMed DOI
A Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018 PubMed DOI
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 PubMed DOI
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 PubMed DOI
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020 PubMed DOI
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024 PubMed DOI
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 PubMed DOI
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024 PubMed DOI
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023 PubMed DOI
View all evidence for Vitamin B12 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.