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Liquid Filled Cal-600

4.8
★ ★ ★ ★ ★
(294 ratings)
Calcium 600 mg
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Score78
The softgel offers a sensible amount of clearly labeled calcium carbonate. Convenience may help, but it remains food dependent and lacks vitamin D.
How scoring works
Softgel
Quantity:100 Softgel(s) • (100 servings)
Goals:
Bone Health

Score 78

The softgel offers a sensible amount of clearly labeled calcium carbonate. Convenience may help, but it remains food dependent and lacks vitamin D.
How scoring works
$22.87($0.22 per serving)
iHerb
$ 22.87
Vitacost
$ 22.87
iHerb
$ 22.87
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Analysis

The calcium amount is near the upper end of a practical single serving and can help fill a dietary shortfall. A liquid-filled softgel may be easier for some people to swallow than a dense mineral tablet.

Calcium carbonate generally performs best with food and may be less reliable when stomach acid is low. The softgel format does not change that chemistry, and no vitamin D is included to complement calcium use.

The focused ingredient list is easy to understand but offers limited breadth. It fits users who specifically prefer softgels and already obtain supporting nutrients elsewhere.

Who is it for
  • Adults who prefer softgels to tablets
  • Users seeking calcium-only supplementation
  • People who already obtain vitamin D elsewhere
Best for
  • Simple calcium intake
  • Meal-based dosing
  • Users prioritizing a liquid-filled format

Pros

  • Practical calcium amount for one serving
  • Calcium form is clearly disclosed
  • Softgel may be easier to swallow

Cons

  • Carbonate depends on food and stomach acid
  • No vitamin D
  • Softgel adds fat without changing calcium bioavailability

Warnings

  • Calcium can reduce levothyroxine absorption, so follow the medication instructions for spacing the doses.
  • Separate calcium from tetracycline or quinolone antibiotics by the interval stated by the prescriber or pharmacist.
  • Supplemental calcium can cause constipation or bloating; dividing intake may improve tolerance when the label permits it.
  • Calcium carbonate generally works best with food and may be less dependable when stomach acid is low or acid-suppressing medicine is used.

Nutrient quality

80 Highest impact

The calcium amount is near the efficient single-dose range, but carbonate offers only basic form quality. The simple softgel is focused and avoids unnecessary active extras.

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Ingredient transparency

85 Highest impact

Active amounts and serving counts are mostly clear from the supplied label facts. Missing non-active ingredients and complete directions leave practical disclosure gaps.

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Customer satisfaction

71 High impact

The aggregate rating is strong and supported by a moderate feedback volume. Specific experience details are missing, so recurring problems and purpose fit remain uncertain.

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Value for money

74 High impact

The simple formula offers fair quality, though carbonate is an ordinary form. Serving value is moderate for a basic single-ingredient supplement.

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Goals

Bone Health
Impact
High effect
B Goal FitC+ Strength of SupportD- CoverageB+ Formula Quality
Calcium · 600 mg

A 600 mg calcium carbonate serving directly supplies structural mineral for bone. The amount is slightly above the portion usually absorbed most efficiently at once, and carbonate is less suitable when stomach acid is low.

The active and amount are transparent, while the fat-containing liquid-filled format may aid swallowing but does not improve carbonate chemistry. The formula lacks vitamin D, K2, magnesium, and collagen support.

Study evidence
Calcium Supportive 144 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Fat
1 Gram(s)
Calcium (Calcium Carbonate)
600 mg
Gluten Free Adults 18–50
Report overview
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The softgel delivers 600 mg Calcium at the upper edge of the efficient range. Calcium carbonate is economical but depends more on food and stomach acid than citrate or chelated forms. Very low cost compensates partly for the basic source.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Associations of dietary calcium intake with metabolic syndrome and bone mineral density among the Korean population: KNHANES 2008-2011.
    Kim MK; Chon SJ; Noe EB; Roh YH; Yun BH; Cho S; Choi YS; Lee BS; Seo SK · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2018
    Cross-sectional study14,705 participantsBone Health forCalcium
  2. Calcium and osteoporosis.
    Nordin BE · Nutrition (Burbank, Los Angeles County, Calif.) · 1998
    Meta-analysis20 studies pooledBone Health forCalcium
  3. Calcium supplementation and bone mineral density in postmenopausal women using estrogen replacement therapy.
    Haines CJ; Chung TK; Leung PC; Hsu SY; Leung DH · Bone · 1995
    Randomized trialBone Health forCalcium
  4. Relationship between bone mineral density changes and risk of fractures among patients receiving calcium with or without vitamin D supplementation: a meta-regression.
    Rabenda V; Bruyère O; Reginster JY · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2011
    Meta-analysis47,365 participants15 studies pooledBone Health forCalcium
  5. Treatment with alendronate plus calcium, alendronate alone, or calcium alone for postmenopausal low bone mineral density.
    Bonnick S; Broy S; Kaiser F; Teutsch C; Rosenberg E; DeLucca P; Melton M · Current medical research and opinion · 2007
    Randomized trial701 participantsBone Health forCalcium
  6. What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  7. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  8. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  9. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  10. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium