Bone CoFactors is a bone health supplement that supports stronger bones by balancing bone building and bone resorption activity for lifelong mobility, resilience, and confident everyday movement. Vitamin D3 and K2 work together to help calcium stay aligned in bones, and premium chelated minerals boost absorption. MBP is a patented milk protein fraction designed to modulate bone cell activity, and Douglas Labs backs this formula with a long-standing focus on quality and science led care. It's really quite simple to take daily.

Available Sizes & Variants:

180 capsules - convenient monthly supply for daily bone support.

Benefits & Features:

• Supports bone health with premium minerals for daily strength.
• Vitamin D3 and K2 work together to help calcium stay aligned in bones.
• Calcium is sourced from microcrystalline hydroxyapatite, a whole bone extract, helping calcium supplements for osteoporosis work with your diet.
• MBP milk protein fraction balances bone building and bone resorption processes.
• Douglas Labs lists every ingredient and allergen, so you know exactly what you’re taking and can feel confident choosing a trusted nutritional option for daily bone care and long term wellbeing.

Douglas Labs blends science and quality in Bone CoFactors. The formula pairs OptiZinc for better mineral uptake with MBP, a patented milk protein fraction that helps balance bone cell activity. Calcium comes from microcrystalline hydroxyapatite, a whole bone extract, and minerals are highly bioavailable chelates and glycinate forms. All ingredients are listed, including milk allergen info, reinforcing trust in this nutritional supplement and its focus on bone health supplements. It's genuinely the kind of well built formulation you'd trust, you know, right away.

(other) Gelatin (capsule, from bovine), cellulose, vegetable stearate, silica.

• GTIN: 310539039557
• Manufacturer: Douglas Labs
• Categories: Bone & Joint Supplements & VitaminsDouglas Labs SupplementsNew Arrivals
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Douglas Laboratories recommends that adults take six Bone CoFactors capsules daily, divided into multiple doses with meals, or as directed by a healthcare provider. Food supplement suitable for adults and children (from 12 months onwards) with the following recommendations:

Initial use: Take 1 sachet (and up to 4 sachets if required) daily with food.
Ongoing use: 1 sachet will often suffice but more can be taken as desired or as professionally directed.
It is strongly recommended to drink plenty of water with this supplement.
Shake the sachet\, then slowly sprinkle contents into a glass of water and vigorously swirl to dissolve fully.
Do not use a spoon to stir as this may cause the sachet contents to clump.
Do not exceed recommended daily dosage.

Please consult the product packaging for accurate instructions on how to use the product.

1. Bone CoFactors by Douglas Labs is a comprehensive bone health supplement that supports the maintenance of strong and healthy bones.
2. This product contains a blend of essential vitamins, minerals, and botanicals that work together to promote optimal bone density and strength, helping to prevent conditions such as osteoporosis.

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, or cholecalciferol, is a fat-soluble vitamin that plays a key role in normal biological function related to bone and mineral metabolism.

Vitamin D3, or cholecalciferol, is a fat-soluble vitamin that helps with normal biological function tied to bone and mineral metabolism.

This form is supplied as Vitamin D3 and is included to support the body's vitamin D activity around calcium handling and bone health processes.

This form is supplied as Vitamin D3 and is included to support the body's vitamin D activity around calcium handling and bone health processes.

What Does Vitamin D3 Do?

Vitamin D3 participates in calcium metabolism and supports bone mineralisation, helping to maintain the structure of bones as part of normal physiological function. It is recognised in guidance from health authorities as a nutrient involved in calcium absorption and bone health processes.

Vitamin D3 helps with calcium metabolism and supports bone mineralisation, helping to keep the structure of bones as part of normal physiological function. It is recognised in guidance from health authorities as a nutrient involved in calcium absorption and bone health processes.

This section focuses on the nutrient's ordinary roles in the body and does not describe clinical outcomes.

This section looks at the nutrient's everyday roles in the body and doesn't describe clinical outcomes.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Douglas Labs is Welzo's chosen partner for Bone CoFactors because this brand shows a steady commitment to premium quality, scientifically validated inputs for bone health formulations. The manufacturer's use of trademarked, research-backed ingredients like OptiZinc and MBP, protected by US patents, underscores a long‑standing reputation for advanced ingredient quality and innovation. Their approach to sourcing includes premium calcium from Microcrystalline Hydroxyapatite and highly bioavailable mineral forms, reflecting a philosophy centred on effective nutrient delivery. This aligns with Welzo's commitment to transparency and safety, as the product discloses all active and inactive ingredients and allergen content, while emphasising what is included to support trust and clarity. Our team evaluated Douglas Labs for manufacturing excellence and very rigorous quality standards, and this partnership is reinforced by Welzo's healthcare professionals and the standards we enforce, ensuring ongoing compliance with industry best practices. See how we verify quality at the standards we enforce, and why this brand clearly delivers value to our customers.