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BoneFactor

product on market Tablet or Pill Advanced Nutrition by Zahler Safety: 95/100
95/100

This product looks safe

  • Magnesium: 460mg is 1.3× the Tolerable Upper Intake Level (350mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Calcium, magnesium, and vitamin D3 have strong evidence for supporting bone density and skeletal health. Vitamin C and FruiteX-B provide additional nutritional support, though evidence for their specific role in bone health is more limited. The ingredient profile is associated with a high safety score.

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

Alerts

Safety Alerts

Magnesium: 460mg is 1.3× the Tolerable Upper Intake Level (350mg)

Label

Product Label

Label for BoneFactor
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
120 mg (133% DV)
25 mcg (125% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
Calcium
800 mg (62% DV)
460 mg (110% DV)
Exceeds UL by 1.3× (UL: 350 mg) 316 studies (A:8, B:159)
FruiteX-B
216 mg
Strontium
100 mg
50 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)
30 mcg
Within RDA (0.2× RDA) 275 studies (A:9, B:175)

Other Ingredients

Microcrystalline Cellulose Stearic Acid Dicalcium Phosphate Croscarmellose Sodium Magnesium Stearate Silicon Dioxide Hydroxypropyl Methylcellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: take 4 tablets daily, preferably 2 tablets twice a day with food, or as directed by a healthcare practitioner.

Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

If pregnant, nursing or on medication, consult with your healthcare practitioner.

Because this product contains Vitamin K2, discontinue use 2 weeks prior to surgery.

Formulation Notes

Elemental Bone strength formula a synergistic, nutritional blend of plant- based calcium + strontium, magnesium and other elemental nutrients. Zahler BoneFactor Is an extra strength formula designed to support bone health and density, as well as healthy teeth and gums.

Kosher Pareve D OU Kosher Under the strict supervision of Rabbi SH. Stern & The Orthodox Union

Gluten free Dairy free Soy free

Plant-based calcium + D3, K2 and more Ca calcium K2 vitamin K Mg magnesium D3 vitamin D

Maximum support for bone health & density Bone & joint

GMP

Additional Information

You may need additional supplements to support a healthy diet; Consult your nutritionist for a formula that is right for you or contact us at 877-ASK-Zahler (877-275-9245) or ask@zahlers.com.

Kosher Pareve D OU Kosher

Store tightly closed in a cool, dry place.

Manufactured in the USA

Metadata

Product Details

UPC / SKU8 48998 08172 0
DSLD Entry Date2023-12-14
Product TypeOther Combinations
FormTablet or Pill
DSLD ID301092
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
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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.