BoneFactor

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

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

Supplement Facts — Evidence Check

Vitamin C
120 mg (133% DV)
25 mcg (125% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg
Calcium
800 mg (62% DV)
460 mg (110% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 460mg
FruiteX-B
216 mg
Strontium
100 mg
50 mg
📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)
This product: 50mg
30 mcg
✅ Within RDA (0.2× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.03mg

Other Ingredients

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

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

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

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

Product Details

UPC / SKU 8 48998 08172 0
DSLD Entry Date 2023-12-14
Product Type Other Combinations
Form Tablet or Pill
Brand Advanced Nutrition by Zahler
DSLD ID 301092
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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 Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
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 Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
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
View all evidence for Vitamin C →

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