Product Details

What are Vitamin D3 and K2 Softgels?

Vitamin D3 and K2 are essential fat-soluble vitamins that the body absorbs best when consumed with fats. Individuals can obtain vitamin D from fatty fish, eggs, fish oil, milk, and butter. The body also produces it through sunlight exposure. As a result, many people experience lower vitamin D levels in colder months as daylight hours are shorter and they spend more time indoors. Vitamin D’s primary role is to support calcium absorption, which is essential for building and maintaining healthy bones and teeth.

Fatty foods such as cheese, egg yolks, and liver are good vitamin K sources. Plant-based vitamin K foods include broccoli, kale, spinach, lettuce, soybeans, and vegetable oils. Vitamin K supports bone health and is critical for blood clotting. It helps strengthen bones by activating proteins that help form bones and enhances bone density by directing calcium into bones and teeth. Vitamin K also promotes heart health by helping to prevent calcium buildup in blood vessels.

What is MCT Oil?

PureBulk's D3 + K2 softgels use MCT oil to suspend the vitamins, optimizing bioavailability and ensuring effective absorption and utilization by the body. Medium-chain triglycerides (MCTs) are a type of fat with a shorter chain length, making it easier for the body to digest them than long-chain fatty acids. Coconut oil and palm kernel oil are rich in MCTs, with MCTs accounting for over half of the fat in coconut oil. Since vitamins D3 and K2 are fat-soluble, MCT oil enhances their absorption in the body, making it an ideal carrier for these nutrients.

Potential Vitamin D3 and K2 Benefits

Vitamin D3 and K2 for Bone Health

Vitamin D is essential for strong bones and teeth. It aids calcium absorption from food and helps the body produce osteocalcin, a protein that pulls calcium into bones and teeth. Vitamin K complements this process by activating the osteocalcin proteins produced by vitamin D. Without adequate calcium intake, the body will use stored calcium from bones, which can lead to bone density loss over time. These vitamins enhance bone mineral density more effectively when taken together than individually.

Vitamin D3 and K2 for Heart Health

Research shows that vitamins D3 and K2 have synergistic functions for supporting cardiovascular health, primarily through their roles in calcium regulation. Vitamin D3 helps the body absorb calcium from the diet, while vitamin K2 activates proteins like osteocalcin, which directs calcium to the bones and teeth, preventing its accumulation in the arteries. Their combined action helps reduce arterial calcification, which can lead to hardened, less flexible blood vessels. Blood vessel calcification is a significant risk factor for heart disease and may progress faster when vitamin K levels are low.

Potential Vitamin D3 and K2 Side Effects

Vitamin D and K are generally safe when taken within recommended serving sizes. However, excessive intake of these vitamins may lead to side effects such as drowsiness, fatigue, nausea, loss of appetite, dry mouth, and headache. People on anticoagulant medications (e.g., warfarin) should consult their doctor before taking vitamin D3 and K2 softgels, as they can affect blood clotting.

References and Research

• https://www.ncbi.nlm.nih.gov/books/NBK56060
• https://pmc.ncbi.nlm.nih.gov/articles/PMC6040265
• https://lpi.oregonstate.edu/mic/vitamins/vitamin-d
• https://ods.od.nih.gov/factsheets/vitaminD-HealthProfessional
• https://lpi.oregonstate.edu/mic/vitamins/vitamin-K
• https://ods.od.nih.gov/factsheets/vitaminK-HealthProfessional
• https://onlinelibrary.wiley.com/doi/abs/10.1002/bdd.2510110908
• https://www.ncbi.nlm.nih.gov/pubmed/3530901
• https://www.ncbi.nlm.nih.gov/pubmed/9076586
• https://www.ncbi.nlm.nih.gov/pubmed/11886767
• https://www.ncbi.nlm.nih.gov/pubmed/17145139
• https://www.ncbi.nlm.nih.gov/pubmed/10443663
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5613455
• https://www.ncbi.nlm.nih.gov/pubmed/21406296
• https://www.ncbi.nlm.nih.gov/pubmed/23109644
• https://www.ncbi.nlm.nih.gov/pubmed/26295257
• https://www.ncbi.nlm.nih.gov/pubmed/22516723
• https://www.ncbi.nlm.nih.gov/pubmed/19386744
• https://pubmed.ncbi.nlm.nih.gov/17243866
• https://www.ncbi.nlm.nih.gov/pubmed/15514282
• https://www.ncbi.nlm.nih.gov/pubmed/18722618
• https://www.ncbi.nlm.nih.gov/pubmed/25694037

Tested by Accredited 3rd Party Labs

PureBulk's supplements are tested by accredited third party labs in the USA to ensure their identity, purity and potency. To receive a copy of these test results or any other PureBulk supplement please fill out the COA request form found here.