Mineral
Calcium (for Relaxation)
Also known as: Calcium citrate, Calcium carbonate
Essential for muscle contraction AND relaxation. Works with magnesium.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Calcium (for Relaxation) product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Nutricost Calcium Citrate | 97 A | $0.28 |
| 2 | Thorne Protein Isolate - Chocolate | 96 A | $1.47 |
| 3 | Thorne Whey Protein Isolate - Vanilla | 96 A | $1.47 |
| 4 | NutraBio Whey Protein Isolate Powder | 96 A | $2.50 |
| 5 | Nutricost Calcium Citrate Powder | 95 A | $0.19 |
| 6 | Transparent Labs Grass-Fed Whey Protein Isolate | 95 A | $2.00 |
| 7 | Nutricost Calcium Citrate + Magnesium Citrate Powder | 94 A | $0.63 |
| 8 | Nutricost Calcium Citrate + Vitamin D | 93 A | $0.30 |
| 9 | Nutricost Calcium + Vitamin D3 Tablets | 92 A | $0.15 |
| 10 | Pure Encapsulations Calcium K/D | 92 A | $0.53 |
| 11 | Pure Encapsulations Calcium Magnesium (citrate/malate) | 92 A | $0.62 |
| 12 | Pure Encapsulations Calcium Magnesium (citrate) | 92 A | $0.57 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Calcium (for Relaxation) should I take?
The typical range is 500-1000mg daily if diet insufficient. Long-term if needed
When should I take Calcium (for Relaxation)?
Divided doses. Citrate: either; Carbonate: with food.
Which form of Calcium (for Relaxation) is best?
Calcium citrate — Better absorbed. Other forms in the catalog: Calcium carbonate.
Is Calcium (for Relaxation) safe?
Commonly reported: Constipation, Bloating. Serious warnings: Cardiovascular concerns debated. Kidney stone caution
Which Calcium (for Relaxation) supplement scores highest?
Nutricost Calcium Citrate, at 97/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Daily target & upper limit
1300 mg / day · UL 2500 mgCalcium (for Relaxation) has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
Calcium (for Relaxation) dosage reference →Primary uses
- Muscle function
- Nerve transmission
- Bone health
How it works
- Required for muscle contraction/relaxation cycle
- Nerve signaling
- Must balance with magnesium
Dosage
- Typical range
- 500-1000mg daily if diet insufficient
- Timing
- Divided doses
- With food
- Citrate: either; Carbonate: with food
- Duration
- Long-term if needed
- Special populations
- Dairy-free, bone health
Forms
- Calcium citrate
- Calcium carbonate
Safety
Common side effects
- Constipation
- Bloating
Contraindications
- Hypercalcemia
- Kidney stones
Products containing Calcium (for Relaxation)
Top-scoring supplements in our catalog that list Calcium (for Relaxation) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Essential mineral
Grade A: Multiple well-designed human trials support the main claims.
Related in Mineral
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.