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Features & Benefits
Opti D3 & K2 is a practitioner-only formula combining vitamin D3 (cholecalciferol) with MenaQ7® vitamin K2 (MK-7) to support bone mineralisation, bone density, cardiovascular health, and healthy calcium metabolism. The combination is designed to optimise calcium absorption and utilisation while helping direct calcium into bones and teeth rather than soft tissues.
The product is commonly used to support:
- Bone density and bone strength
- Healthy bone development and maintenance
- Calcium absorption and utilisation
- Teeth mineralisation
- Cardiovascular and arterial health
- Healthy vitamin D status
- Muscle function
- Healthy immune system function
Dose & Administration
Suggested Use
Adults:
- Take 1 softgel daily
- Or as directed by a healthcare practitioner
Storage
- Store below 25°C
- Keep in a cool, dry place
- Keep out of reach of children
Ingredients
Active Ingredients (per 1 softgel)
- Vitamin D3 (Colecalciferol) – 25 mcg (1000 IU)
- Vitamin K2 (Menaquinone-7, MenaQ7®) – 120 mcg
Features
- Contains bioactive MenaQ7® vitamin K2 (MK-7)
- Provides 1000 IU vitamin D3
- Synergistic D3 + K2 formula
- Supports bone and cardiovascular health
- Practitioner-only formulation
Contains
- Soy
- Sulfites
Suitable For
- Adults requiring vitamin D and K support
- Individuals with inadequate dietary vitamin D intake
- Bone health and healthy ageing protocols
- Cardiovascular support protocols under practitioner guidance
Caution & Contraindications
Important Warnings
- Vitamins and minerals should not replace a balanced diet.
- Use only as directed.
- If symptoms persist, consult a healthcare practitioner.
Consult a Healthcare Practitioner Before Use If:
- Pregnant or breastfeeding
- Taking prescription medications
- Have a cardiovascular, kidney, endocrine, or metabolic condition
- Taking calcium supplements or osteoporosis medications
- Have a history of kidney stones or hypercalcaemia
Important Medication Interactions
- Do not take while on warfarin therapy without medical advice.
- Vitamin K may interfere with anticoagulant medications such as warfarin.
- Individuals taking blood thinners should consult their healthcare practitioner before use.
Potential Side Effects
When taken as directed, vitamin D3 and K2 are generally well tolerated. Occasionally some individuals may experience:
- Mild digestive upset
- Nausea
- Headache
- Gastrointestinal discomfort
Excessive vitamin D intake over time may contribute to elevated calcium levels in susceptible individuals.
Contraindication Considerations
Use caution in individuals with:
- Hypercalcaemia
- Kidney disease
- Sarcoidosis
- Hyperparathyroidism
- Active anticoagulant therapy
- Known sensitivity to soy or sulfites
Additional Notes
- Vitamin D supports calcium absorption, immune function, nervous system health, and muscle function.
- Vitamin K2 (MK-7) helps activate proteins involved in directing calcium into bones and teeth while supporting arterial health.
- The D3/K2 combination is frequently used in practitioner protocols targeting osteoporosis prevention, bone density support, cardiovascular health, and healthy ageing.



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