California Gold Nutrition Bone Boost® with Calcium, Magnesium, Vitamin C and Potassium, 120 Tablets supplement bottle
California Gold Nutrition

Bone Boost® with Calcium, Magnesium, Vitamin C and Potassium, 120 Tablets

What We Researched
13 active ingredients analyzed · 6 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
76
Product Score Fair
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Calcium Ascorbate) 90 mg 100%
Vitamin D (as D3, Cholecalciferol) 5 mcg 25%
Calcium (as Calcium Citrate Malate, Calcium Bisglycinate, Calcium Ascorbate, and Calcium Fructoborate) 300 mg 23%
Magnesium (as Magnesium Malate) 125 mg 30%
Zinc (as Zinc Bisglycinate) 2.8 mg 25%
Copper (as Copper Bisglycinate) 0.45 mg 50%
Manganese (as Manganese Bisglycinate) 0.58 mg 25%
Potassium (as Potassium Glycinate) 47 mg 1%
Milk Protein Isolate (S-Protein-T2) 20 mg
Betaine Hydrochloride 10 mg
Silica(from Horsetail Extract) (aerial parts) 2.5 mg
Boron (from Calcium Fructoborate) 2 mg
Vitamin K2 (as Menaquinone-7 [MK-7]) 45 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin C (as Calcium Ascorbate) Good
  • Vitamin D (as D3, Cholecalciferol) Good
  • Calcium (as Calcium Citrate Malate, Calcium Bisglycinate, Calcium Ascorbate, and Calcium Fructoborate) Good
  • Magnesium (as Magnesium Malate) Good
  • Zinc (as Zinc Bisglycinate) Good
  • Copper (as Copper Bisglycinate) Good
  • Manganese (as Manganese Bisglycinate) Good
  • Potassium (as Potassium Glycinate) Good
  • Milk Protein Isolate (S-Protein-T2) Good
  • Betaine Hydrochloride Good
  • Silica(from Horsetail Extract) (aerial parts) Fair
  • Boron (from Calcium Fructoborate) Good
  • Vitamin K2 (as Menaquinone-7 [MK-7]) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Organic Tapioca Maltodextrin
  • Purified Water
  • Stearic Acid
  • Croscarmellose Sodium
  • Coating (Hydroxypropyl Methylcellulose, Vegetable Glycerin, Hydroxypropyl Cellulose)
Efficacy Very Poor

Dosage Analysis

  • Vitamin C (as Calcium Ascorbate) 90 mg Effective
  • Vitamin D (as D3, Cholecalciferol) 5 mcg Under-dosed
  • Calcium (as Calcium Citrate Malate, Calcium Bisglycinate, Calcium Ascorbate, and Calcium Fructoborate) 300 mg Under-dosed
  • Magnesium (as Magnesium Malate) 125 mg Under-dosed
  • Zinc (as Zinc Bisglycinate) 2.8 mg Under-dosed
  • Copper (as Copper Bisglycinate) 0.45 mg Under-dosed
  • Manganese (as Manganese Bisglycinate) 0.58 mg Under-dosed
  • Potassium (as Potassium Glycinate) 47 mg Under-dosed
  • Milk Protein Isolate (S-Protein-T2) 20 mg Under-dosed
  • Betaine Hydrochloride 10 mg Under-dosed
  • Boron (from Calcium Fructoborate) 2 mg Under-dosed
  • Vitamin K2 (as Menaquinone-7 [MK-7]) 45 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Calcium Ascorbate) 90 mg 100%
Vitamin D (as D3, Cholecalciferol) 5 mcg 25%
Calcium (as Calcium Citrate Malate, Calcium Bisglycinate, Calcium Ascorbate, and Calcium Fructoborate) 300 mg 23%
Magnesium (as Magnesium Malate) 125 mg 30%
Zinc (as Zinc Bisglycinate) 2.8 mg 25%
Copper (as Copper Bisglycinate) 0.45 mg 50%
Manganese (as Manganese Bisglycinate) 0.58 mg 25%
Potassium (as Potassium Glycinate) 47 mg 1%
Milk Protein Isolate (S-Protein-T2) 20 mg
Betaine Hydrochloride 10 mg
Silica(from Horsetail Extract) (aerial parts) 2.5 mg
Boron (from Calcium Fructoborate) 2 mg
Vitamin K2 (as Menaquinone-7 [MK-7]) 45 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Organic Tapioca Maltodextrin Generally_safe

It is used as a filler, binder, or carrier for other ingredients.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Coating (Hydroxypropyl Methylcellulose, Vegetable Glycerin, Hydroxypropyl Cellulose) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$30$29$28$27$26 Mar 12 $28.25
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
California Gold Nutrition

Founded 2013 · Irvine, California, United States · 406 products · californiagoldnutrition.com/

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

6 incidents
Recall California Gold Nutrition Daily Prenatal Multi, Ultamins Women's Multivitamin, and Ultamins Women's 50+ Multivitamin2025-06-26Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION Baby Liquid Vitamin D3.2025-01-10Source
Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Stabilized R-Lipolic Acid.2024-04-12Source
Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Silymarin Complex.2024-04-12Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION PQQ 20mg.2024-02-01Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION DAIRY ENZYMES.2019-09-26Source
Related Supplements
Frequently Asked Questions
Is California Gold Nutrition Bone Boost® with Calcium, Magnesium a good supplement?

California Gold Nutrition Bone Boost® with Calcium, Magnesium, Vitamin C and Potassium, 120 Tablets received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 13 active ingredients with 60 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, California Gold Nutrition, holds a brand trust score of 79/100.

What are the ingredients in California Gold Nutrition Bone Boost® with Calcium, Magnesium?

California Gold Nutrition Bone Boost® with Calcium, Magnesium contains 13 active ingredients: Vitamin C (as Calcium Ascorbate) (90 mg), Vitamin D (as D3, Cholecalciferol) (5 mcg), Calcium (as Calcium Citrate Malate, Calcium Bisglycinate, Calcium Ascorbate, and Calcium Fructoborate) (300 mg), Magnesium (as Magnesium Malate) (125 mg), Zinc (as Zinc Bisglycinate) (2.8 mg), Copper (as Copper Bisglycinate) (0.45 mg), and 7 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is California Gold Nutrition Bone Boost® with Calcium, Magnesium safe to take?

California Gold Nutrition Bone Boost® with Calcium, Magnesium, Vitamin C and Potassium, 120 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is California Gold Nutrition a trustworthy supplement brand?

California Gold Nutrition receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Irvine, California, United States, the company offers 406 products in their lineup. Note: California Gold Nutrition has 6 historical regulatory incidents on record, which are factored into the trust score.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.