Mineral
Calcium (as Calcium AAC)
Also known as: Calcium amino acid chelate, Calcium AAC, Calcium chelate
Calcium is an essential mineral critical for bone health, muscle function, and nerve transmission. Calcium AAC is a chelated form designed for enhanced absorption.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Bone health
- Muscle function
- Nerve transmission
- Cardiovascular health
How it works
- Structural component of bone and teeth
- Cofactor for muscle contraction
- Regulates neurotransmitter release
Dosage
- Typical range
- 800-1200 mg daily
- Timing
- Divided doses with meals for optimal absorption
- With food
- With food to enhance absorption
- Duration
- Long-term use recommended for bone health maintenance
- Special populations
- Postmenopausal women and older adults may benefit from higher intake; adolescents need 1300 mg daily
Forms
- Chelate (amino acid complex)· 70/100
- Carbonate· 70/100
- Citrate· 70/100
Safety
Common side effects
- Constipation
- Bloating
- Nausea (at high doses)
Contraindications
- Hypercalcemia
- Parathyroid disease
- Kidney stones (history)
Products containing Calcium (as Calcium AAC)
Top-scoring supplements in our catalog that list Calcium (as Calcium AAC) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Calcium supplementation has strong RCT evidence for bone health and fracture prevention, particularly in postmenopausal women and older adults. Chelated forms show improved bioavailability compared to some traditional forms.
Grade A: Multiple well-designed human trials support the main claims.
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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.