🟢 80/100

This product is generally safe

  • Niacin: 400mg is 11.4× the Tolerable Upper Intake Level (35mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 400mg is 11.4× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

400 mg (2500% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 11.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 400mg UL 35mg
100 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 100mg

Other Ingredients

Gelatin Stearic Acid Contains Less Than 2% of

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (78% of products) Nutrient (22% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: Adults, take one capsule daily, preferably with a meal.

⚠️ Warnings & Precautions

For your protection, do not use if seal under cap is broken or missing.

Caution: Follow label directions: Do not take more than 500 mg of Niacin or 250 mg of time release Niacin per day, except under the supervision of a doctor.

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur. Notice: Most people should not experience flushing when using this product. However, a few sensitive individuals may experience a temporary skin flushing (hot feeling and skin redness), burning, itching, or rash caused by an increase in blood flow near the skin. Do not take on an empty stomach. Do not take more than the recommended dose unless prescribed by your doctor.

Keep out of reach of children.

🧪 Formulation Notes

Flush Free Niacin Inositol Hexanicotinate 500 mg per capsule

Metabolism support

Niacin (Vitamin B3) is essential for healthy energy metabolism and also helps support nervous system health.

Product of China

No gluten, yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor

Sodium (less than 5 mg per serving)

Additional Information

Please recycle

Store at room temperature 59 degrees - 86 degrees F (15 degrees - 30 degrees C). Keep bottle tightly closed.

Quality Guaranteed For questions or comments call 1-866-251-1662. Walmart.com/springvalley

Product Details

UPC / SKU 6 81131 63325 3
DSLD Entry Date 2020-11-21
Product Type Other Combinations
Form Capsule
DSLD ID 240009
Data Updated 2026-04-11

Research Evidence

32 Research Sources
50 Avg Quality Score
19 Rct
7 Meta Analysis
3 Clinical Trial
2 Other
1 Systematic Review
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 Inositol for Polycystic Ovary Syndrome: A Systematic Review and Meta-analysis to Inform the 2023 Update of the International Evidence-based PCOS Guidelines
Meta Analysis The Journal of clinical endocrinology and metabolism 2024
B Antenatal dietary supplementation with myo-inositol for preventing gestational diabetes
Meta Analysis The Cochrane database of systematic reviews 2023
B Effectiveness of inositol, metformin and their combination in women with PCOS undergoing assisted reproduction: systematic review and meta-analysis
Meta Analysis Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2022
B Effects of myo-inositol vs. metformin on hormonal and metabolic parameters in women with PCOS: a meta-analysis
Meta Analysis Irish journal of medical science 2023
B Inositol for subfertile women with polycystic ovary syndrome
Meta Analysis The Cochrane database of systematic reviews 2018
B Treatment of lean PCOS teenagers: a follow-up comparison between Myo-Inositol and oral contraceptives
Rct European review for medical and pharmacological sciences 2021
B The 40:1 myo-inositol/D-chiro-inositol plasma ratio is able to restore ovulation in PCOS patients: comparison with other ratios
Rct European review for medical and pharmacological sciences 2019
C Investigating the effect of combined use of selenium and Myo-inositol supplements on thyroid function and autoimmune characteristics in thyroid disorders: a systematic review and meta-analysis
Meta Analysis Expert review of endocrinology & metabolism 2024
C Myo-inositol supplementation to prevent gestational diabetes in overweight non-obese women: bioelectrical impedance analysis, metabolic aspects, obstetric and neonatal outcomes - a randomized and open-label, placebo-controlled clinical trial.
Rct International journal of food sciences and nutrition
View all evidence for Inositol →

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