Precision-ratio calcium and magnesium with vitamin D3 for bone integrity, restorative sleep, and muscle function. The foundational mineral complex most adults are critically missing.
25+
YEARS RESEARCH
78
GLOBAL PATENTS
99.9%
PURITY GRADE
Population-level nutritional surveys consistently identify magnesium deficiency as among the most prevalent micronutrient shortfalls in adults consuming Western diets — with some estimates suggesting that over 50% of American adults consume less than the recommended daily intake.
Calcium receives more attention. But calcium without adequate magnesium is not only less effective — it may be actively counterproductive. Calcium supplementation in the absence of sufficient magnesium can paradoxically increase cardiovascular calcification risk.
The two minerals are metabolically inseparable. We formulate them accordingly.
We combine calcium carbonate (high elemental calcium content, best absorbed with food) and calcium citrate (superior absorption for individuals with reduced gastric acid, including many adults over 50). This dual-form approach optimizes calcium delivery across diverse physiological contexts.
Magnesium oxide — the form used in most budget supplements — has a bioavailability of approximately 4%. We use magnesium citrate and malate: forms with documented absorption rates of 60–90% and gentle gastrointestinal tolerability.
Vitamin D3 is not optional for calcium metabolism. It is the essential hormonal signal that activates intestinal calcium transport proteins, enabling calcium absorption in the first place. Without adequate vitamin D3, calcium supplementation is largely futile. We include a meaningful dose — not a cosmetic one.
Bone density — Calcium is the primary mineral constituent of bone tissue. Adequate calcium intake, in combination with vitamin D3 and magnesium, is the foundational nutritional strategy for osteoporosis prevention and bone mass preservation.
Sleep quality — Magnesium activates the parasympathetic nervous system and acts as a co-factor for GABA — the primary inhibitory neurotransmitter that enables sleep initiation and maintenance. Magnesium deficiency is clinically associated with insomnia, restless sleep, and nighttime muscle cramping.
Muscle function — Calcium is required for every muscle contraction. Magnesium is required for every muscle relaxation. The calcium-magnesium balance governs everything from cardiac function to athletic performance to resting muscle tension.
Adults 40 and above with bone density preservation priorities
Individuals experiencing sleep onset difficulties or non-restorative sleep
Those with frequent muscle cramps, tension, or nighttime leg discomfort
Individuals who consume limited dairy or have dietary calcium restrictions
Adults living in northern latitudes with limited sun exposure and low vitamin D status
2 capsules daily, taken with the evening meal.
Taking the formula with food enhances calcium absorption and the magnesium content supports sleep quality when dosed in the evening.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results vary. Consult your physician if you have a history of kidney stones or hypercalcemia.
ABTIDE — Precision Nutrition Backed by Science Developed in Vancouver, Canada
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25 years of research · 78 global patents · Formulated for you.
