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Bone Renewal

Pure Synergy
4.7
(830 ratings)
Calcium 840 mg
Vitamin K 120 mcg
Magnesium 420 mg
Product Image
Score 85.0

A premium bone health supplement using highly bioavailable, natural calcium and magnesium sources. Offers robust support for bone density, though it includes Vitamin K1 rather than the more bone-specific Vitamin K2.

Quantity: 150 Capsule(s)Servings size: 3 Capsule(s) (50 servings)
Selected goals:
Other goals:
Bone Health
Joint Health
Heart Health
Fitness
Stress Relief

Score 85.0

A premium bone health supplement using highly bioavailable, natural calcium and magnesium sources. Offers robust support for bone density, though it includes Vitamin K1 rather than the more bone-specific Vitamin K2.

Analysis

Pure Synergy Bone Renewal features 840mg of Calcium from Red Algae and 420mg of Magnesium from Dead Sea Mineral Concentrate, both highly natural and bioavailable sources that are well-regarded by nutritionists for superior absorption and efficacy. It also includes 120mcg of Vitamin K1. While K1 is beneficial for blood clotting, many experts prefer Vitamin K2 (especially MK-7) for its direct role in directing calcium to bones and away from arteries, making the K1 inclusion a slight limitation for comprehensive bone and heart health. Online reviews consistently praise the product's natural sourcing and perceived effectiveness, supporting its premium positioning. Despite its higher price, the quality of its key mineral forms is a significant advantage for those prioritizing natural and highly absorbable ingredients.

Pros
  • Uses highly bioavailable and natural forms of Calcium (Red Algae) and Magnesium (Dead Sea Mineral Concentrate).
  • Strong dosages of both Calcium (840mg) and Magnesium (420mg) in a good 2:1 ratio.
  • Excellent for Bone Health due to comprehensive mineral support.
  • Good brand reputation for quality and natural ingredients (Pure Synergy).
Cons
  • High price per serving (88 cents).
  • Contains Vitamin K1 instead of Vitamin K2 (MK-7), which is generally preferred for optimal calcium utilization in bones and arteries.
$44.00($0.88 per serving)
Amazon
$ 118.80
Pure Formulas
$ 44.00
iHerb
$ 46.42
Vitacost
$ 46.99
Ingredients
IngredientAmount per serving
Vitamin D3 50 mcg
Vitamin K1 120 mcg
Calcium (Red Algae, Japanese White Sesame) 840 mg
Magnesium (Dead Sea Mineral Concentrate, Brown Rice Chelate) 420 mg
Plant-Based Trace Minerals & Cofactors 0 NP
SuperPure Plant Extracts 0 NP
Gluten Free Adults 18–50 Dairy Free
Categories
Calcium 95.0
Provides 840mg of Calcium from Red Algae, which is an excellent, highly bioavailable, and natural source, making it a top-tier option for calcium supplementation.
Magnesium 90.0
Offers 420mg of Magnesium from Dead Sea Mineral Concentrate, a highly absorbable and natural form, providing excellent support for various bodily functions.
Vitamin K 70.0
Contains 120mcg of Vitamin K1, which is a good dose for its functions, but K2 (especially MK-7) is typically preferred for synergy with calcium in bone and cardiovascular health.
Goals
Bone Health 95.0
The excellent quality and high dosages of bioavailable red algae calcium and natural magnesium provide comprehensive and effective support for bone density and strength.
General Health 85.0
The naturally sourced, highly absorbable calcium and magnesium, along with trace minerals, contribute significantly to overall mineral balance and bodily functions, enhancing general well-being.
Stress Relief 80.0
Magnesium is well-known for its calming and relaxation properties, supporting the nervous system and reducing muscle tension. The high dose and bioavailable form make it effective for stress reduction.
90 Value

Raw Calcium

Garden of Life Vitamin Code
4.6
(4135 ratings)
At 64 cents per serving, it offers superior quality with algae calcium, Dead Sea magnesium, and K2, making it a better value than the original's 88 cents per serving for a more comprehensive bone and heart support profile.
85 Value

Vegan Cal Mag Plus

DEVA
4.7
(849 ratings)
At 19 cents per serving, it provides excellent value with highly bioavailable Calcium Malate (1000mg) and Magnesium Chelate (400mg) at a fraction of the cost, even though it contains K1 instead of K2.
92 Value

Cal/Mag/Vit D3 with Vitamin K2

NaturesPlus
4.6
(2209 ratings)
Priced at 69 cents per serving, this option delivers very high doses of calcium (1200mg) and magnesium (600mg) in amino acid chelate forms, along with 100mcg of K2, offering a potent and well-absorbed formula for a better price-to-potency ratio.
90 Performance

Raw Calcium

Garden of Life Vitamin Code
4.6
(4135 ratings)
This product excels by offering 1100mg of highly bioavailable algae-sourced Calcium and 357mg of Dead Sea mineral Magnesium, combined with 50mcg of Vitamin K2 (MK-7 form), which is superior for directing calcium to bones and away from arteries compared to K1 in the original.
92 Performance

Bone Solid

Country Life
4.6
(725 ratings)
This alternative provides an extremely comprehensive bone formula with Microcrystalline Hydroxyapatite (MCHA) at 4170mg, which is a gold standard for bone matrix support, alongside 500mg of bioavailable Magnesium Taurinate and 1010mcg of Vitamin K.
90 Performance

Calcium Bone Maker Complex with MCH-Cal and VitaMK7

Doctor's Best
4.7
(6735 ratings)
This product features 1363mg of MCH-Cal (Microcrystalline Hydroxyapatite), an excellent source of naturally occurring calcium and phosphorus in a bone matrix, along with highly bioavailable DiMagnesium Malate and 40mcg of VitaMK7 (Vitamin K2), making it a top-tier choice for comprehensive bone support.
90 Budget

Raw Calcium

Garden of Life Vitamin Code
4.6
(4135 ratings)
At 64 cents per serving, it's cheaper while offering superior benefits with 1100mg Algae Calcium, 357mg Dead Sea Magnesium, and 50mcg K2 (MK-7 specified), matching the quality sourcing and offering K2.
85 Budget

Vegan Cal Mag Plus

DEVA
4.7
(849 ratings)
At 19 cents per serving, this is a significantly more affordable option that still delivers high-quality ingredients, including 1000mg Calcium Malate and 400mg Magnesium Chelate, both highly bioavailable forms, along with Vitamin K1.
92 Budget

Cal/Mag/Vit D3 with Vitamin K2

NaturesPlus
4.6
(2209 ratings)
At 69 cents per serving, it provides a very strong dose of 1200mg Calcium Amino Acid Chelate, 600mg Magnesium Amino Acid Chelate, and 100mcg K2, offering a highly comprehensive and bioavailable mineral complex for a lower price point.
90 Value

Raw Calcium

Garden of Life Vitamin Code
4.6
(4135 ratings)
At 64 cents per serving, it offers superior quality with algae calcium, Dead Sea magnesium, and K2, making it a better value than the original's 88 cents per serving for a more comprehensive bone and heart support profile.
85 Value

Vegan Cal Mag Plus

DEVA
4.7
(849 ratings)
At 19 cents per serving, it provides excellent value with highly bioavailable Calcium Malate (1000mg) and Magnesium Chelate (400mg) at a fraction of the cost, even though it contains K1 instead of K2.
92 Value

Cal/Mag/Vit D3 with Vitamin K2

NaturesPlus
4.6
(2209 ratings)
Priced at 69 cents per serving, this option delivers very high doses of calcium (1200mg) and magnesium (600mg) in amino acid chelate forms, along with 100mcg of K2, offering a potent and well-absorbed formula for a better price-to-potency ratio.
90 Performance

Raw Calcium

Garden of Life Vitamin Code
4.6
(4135 ratings)
This product excels by offering 1100mg of highly bioavailable algae-sourced Calcium and 357mg of Dead Sea mineral Magnesium, combined with 50mcg of Vitamin K2 (MK-7 form), which is superior for directing calcium to bones and away from arteries compared to K1 in the original.
92 Performance

Bone Solid

Country Life
4.6
(725 ratings)
This alternative provides an extremely comprehensive bone formula with Microcrystalline Hydroxyapatite (MCHA) at 4170mg, which is a gold standard for bone matrix support, alongside 500mg of bioavailable Magnesium Taurinate and 1010mcg of Vitamin K.
90 Performance

Calcium Bone Maker Complex with MCH-Cal and VitaMK7

Doctor's Best
4.7
(6735 ratings)
This product features 1363mg of MCH-Cal (Microcrystalline Hydroxyapatite), an excellent source of naturally occurring calcium and phosphorus in a bone matrix, along with highly bioavailable DiMagnesium Malate and 40mcg of VitaMK7 (Vitamin K2), making it a top-tier choice for comprehensive bone support.