🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

0.6 Gram(s) Serving Size
50 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

300 mg
✅ Within RDA (0.5× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 300mg UL 3500mg

Other Ingredients

Silicon Dioxide Ethyl Cellulose

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (90% of products) Nutrient (42% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take 600mg (~1/8 tsp) with 6-8 ounces of water or suitable beverage. Taken 1-2 times daily, preferably with a meal or as directed by your qualified health professional.

⚠️ Warnings & Precautions

Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Always consult with a qualified health physician before taking any new dietary supplement.

Do not use or consume if pressure seal is broken.

🧪 Formulation Notes

This product contains no soy, dairy, dairy byproducts, eggs, shellfish, wheat, gluten, tree nuts, or sesame seeds.

Additional Information

Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Product Details

UPC / SKU 8 18132 86181 5
DSLD Entry Date 2017-03-24
Product Type Non-Nutrient/Non-Botanical
Form Powder
Brand Hard Rhino
DSLD ID 71695
Data Updated 2026-04-11

Research Evidence

28 Research Sources
47 Avg Quality Score
11 Clinical Trial
8 Rct
2 Guideline
2 Meta Analysis
2 Regulatory Source
1 Systematic Review
1 Openfda Safety
B Greater Choline-Containing Compounds and Myo-inositol in Treatment-Resistant Versus Responsive Schizophrenia: A 1H-Magnetic Resonance Spectroscopy Meta-analysis
Meta Analysis Biological psychiatry. Cognitive neuroscience and neuroimaging 2024
B Integrating multi-structure covalent docking with machine-learning consensus scoring enhances potency ranking of human acetylcholinesterase inhibitors.
Guideline Briefings in bioinformatics 2026
B Evidence-based clinical practice guidelines for functional dyspepsia 2021.
Guideline Journal of gastroenterology 2022
B Scientific Opinion on health claims related to choline
Regulatory Source EFSA Journal 2011
C Effectiveness of nutritional interventions to prevent nonprogressive congenital and perinatal brain injuries: a systematic review and meta-analysis of randomized trials
Meta Analysis Nutrition reviews 2022
C Two methods for assessment of choline status in a randomized crossover study with varying dietary choline intake in people: isotope dilution MS of plasma and in vivo single-voxel magnetic resonance spectroscopy of liver.
Rct The American journal of clinical nutrition
C Choline and betaine concentrations in plasma discriminate levels of dietary choline intake in healthy adults: analysis of a double-blind randomized crossover controlled feeding study.
Rct The American journal of clinical nutrition
C Nutrient-based therapies for bipolar disorder: a systematic review
Systematic Review Psychotherapy and psychosomatics 2013
C The association of betaine, homocysteine and related metabolites with cognitive function in Dutch elderly people
Rct The British journal of nutrition 2007
C Differential metabolism of choline supplements in adult volunteers.
Rct European journal of nutrition
View all evidence for Choline →

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