Vitamin K

Vitamin K, also known as vitamin K2 or menaquinone, is a naphthoquinone that plays a crucial role in various bodily functions, including bone health and cardiovascular system regulation. The highly recommended dose of MK-4 for osteoporosis is about 360 servings per container, with each serving containing 4 mg of vitamin K2 (MK-4) 1.

Vitamin K2 (MK-4) has been shown to induce phosphorylation of protein kinase A and expression of novel target genes in osteoblastic cells, leading to improved bone health and strength 6. Studies have also demonstrated that vitamin K2 supplementation can improve hip bone geometry and bone strength indices in postmenopausal women 6. Furthermore, research has found that menatetrenone (vitamin K2) can improve bone quality in the treatment of postmenopausal osteoporosis 6.

However, the effectiveness of vitamin K2 in treating certain conditions, such as Alzheimer's disease, may be limited due to its limited uptake into the brain. A study has shown that fusing vitamin K2 (MK-4) with vitamin A (retinoic acid) can increase brain uptake and exert a stronger therapeutic effect 4. Additionally, vitamin K3 has been used as a pro-oxidant therapy to treat cancer, as it works exclusively through redox/metabolic mechanisms 5.

In terms of differences between vitamin K2 (MK-4) and other compounds, such as Gonadin, vitamin K2 has multiple functions, including increasing androgen synthesis, osteocalcin synthesis, insulin release, inflammation reduction, and electron transfer in the mitochondria 7. While Gonadin may have some overlap with vitamin K2 in terms of androgen synthesis, it does not have the same effects on other bodily functions.

Overall, vitamin K2 (MK-4) is a complex compound with multiple functions and potential therapeutic applications, and further research is needed to fully understand its effects on human health.