Optimal D

product on market Capsule HoltraCeuticals 🟡 Safety: 60/100
Brand: HoltraCeuticals
🟡 60/100

Review before taking

  • Vitamin D3: 1.25mg is 12.5× the Tolerable Upper Intake Level (0.1mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin D3: 1.25mg is 12.5× the Tolerable Upper Intake Level (0.1mg)

This product received a low score because its Vitamin D3 content is 12.5 times higher than the recommended maximum daily limit.

Label Data

1 Capsule(s) Serving Size
15 Servings
Vitamin Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1250 mcg (6250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 12.5× (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 1.25mg UL 0.1mg

Other Ingredients

natural Vegetable Capsules Microcrystalline Cellulose Stearic Acid Silicon Dioxide Magnesium Stearate

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested use: 1 capsule per week.

⚠️ Warnings & Precautions

This product is a high dose vitamin D capsule that is not typically intended for long-term daily use. Please consult your health care professional if you are unsure of the appropriate dose.

If you are pregnant or nursing, consult your physician before taking this product.

As with all dietary supplements, some individuals may not tolerate or may be allergic to the ingredients used. Please read the ingredient panel carefully prior to ingestion. Cease taking this product and consult your physician if you are have negative reactions upon ingestion.

Keep out of reach of children.

This product was sealed for your protection. Do not use if outer logoed neck seal or inner-seal is missing or damaged.

🧪 Formulation Notes

Formulated to be free of allergens derived from: gluten, yeast, artificial colors and flavors.

Essential support for bone, GI and immune health

Vcaps

Additional Information

Keep container tightly closed. Store at room temperature.

Product Details

UPC / SKU 6 15033 60103 4
DSLD Entry Date 2022-09-22
Product Type Vitamin
Form Capsule
Brand HoltraCeuticals
DSLD ID 270203
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
309 Meta Analysis
309 Clinical Trial
111 Rct
71 Systematic Review
55 Guideline
4 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
2 Observational
1 Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009
PubMed DOI Cochrane
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011
PubMed DOI Cochrane
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023
PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023
PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009
PubMed DOI
View all evidence for Vitamin D →

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