Description
Ingredients
- Vitamin D3: 400 IU
- Vitamin K2 (MK-7): 100 mcg
- Calcium carbonate: 800 mg
What it is best for
This combination may help:
- Maintain strong bones and teeth.
- Prevent or treat calcium and vitamin D deficiency.
- Reduce the risk of osteoporosis, especially in older adults and postmenopausal women.
- Support bone healing after fractures (when recommended by a healthcare professional).
- Help people who have low dietary calcium intake.
How to take it
- Take 1 tablet once daily, or as directed by your healthcare provider.
- Take it with a meal, preferably after breakfast or dinner, because calcium carbonate is absorbed better with food.
- Swallow with a full glass of water.
- Avoid taking it at the same time as iron supplements, thyroid medication, or certain antibiotics. Separate them by 2–4 hours.
Possible side effects
Most people tolerate it well. Possible side effects include:
- Constipation
- Stomach upset or bloating
- Gas
- Nausea
Rare but serious side effects (usually with excessive intake):
- High calcium levels, which can cause increased thirst, frequent urination, confusion, weakness, or kidney stones.
- Allergic reactions such as rash, swelling, or difficulty breathing (seek immediate medical attention).
Who may benefit
It may be appropriate for:
- Adults with low calcium or vitamin D intake.
- Older adults.
- Postmenopausal women.
- People with osteoporosis or osteopenia (if advised by a clinician).
- Individuals with limited sun exposure.
Who should consult a doctor before taking it
Talk to your healthcare provider before using it if you have:
- Kidney disease or kidney stones.
- High blood calcium levels.
- Hyperparathyroidism.
- Certain heart conditions.
- You take blood thinners such as Warfarin, because vitamin K2 can affect how warfarin works.
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