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Bone Strength

product on market Tablet or Pill Premium Certified Safety: 97/100
97/100

This product looks safe

  • Copper: 400mg is 40.0× the Tolerable Upper Intake Level (10mg)
  • 73% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula combines calcium, magnesium, and vitamins D3, K1, and K2 to support bone mineralization and density. There is strong evidence that these nutrients work synergistically to regulate calcium absorption and distribution. The ingredient profile maintains a high safety score, indicating a low risk of adverse effects for most users.

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

Alerts

Safety Alerts

Copper: 400mg is 40.0× the Tolerable Upper Intake Level (10mg)

Label

Product Label

Label for Bone Strength
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
73%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
50 mcg (250% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
50 mcg (42% DV)
Within RDA (0.4× RDA) 275 studies (A:9, B:175)
60 mcg (50% DV)
Within RDA (0.5× RDA) 275 studies (A:9, B:175)
200 mg (48% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
8 mg (73% DV)
Within RDA (0.7× RDA) 263 studies (A:6, B:134)
400 mg (44% DV)
Exceeds UL by 40.0× (UL: 10 mg) 37 studies (A:0, B:11)
Quadra-Absorb Bone Boosting Complex
Soybean Isoflavone
25 mg
2 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
1.8 mg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)

Other Ingredients

Microcrystalline Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take four tablets a day. For best results, take two in the morning and two in the afternoon, with meals.

Warnings & Precautions

Warning: Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.

Warning: Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement. Keep out of the reach of children.

Do not use this product if outer seal around cap is missing or broken.

Contains soy.

Formulation Notes

All Premium Certified products come with a 100% Premium Guarantee when purchased directly from Premium Certified. If you are not completely satisfied with your purchase, return the unused portion within 90 days for a full refund. Not tested on animals

Free of gluten, milk, egg, wheat, peanuts, artificial sweeteners and shellfish. Non GMO

Premium quality bone support Natural bone support Premium grade Highest standards

No GMOs No hormones No fillers No preservatives No gluten No coloring

Bone Strength with Cal-Syl triple calcium complex

Additional Information

Store at room temperature.

Made in USA Not tested on animals

Metadata

Product Details

DSLD Entry Date2024-03-22
Product TypeOther Combinations
FormTablet or Pill
BrandPremium Certified
DSLD ID308053
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
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
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.