よくあるご質問 2018年8月現在、iHerbは独立第三者機関であるABC Testing、Eurofins、Alkemistを使用して製品検査を行っています。独立した第三者検査機関を使用することで、客観的かつ公正な結果が得られます。
iTestedは、製品のサプリメント成分表や栄養成分表に記載された情報の的確性を確認します。また製品検査は、微生物分析や重金属分析など、クリーンラベル基準を満たすことを確認するためにも実施されます。
検査方法はiTestedの各製品資料に記載されています。
製品検査は半年毎に実施されます。
Vitamin K is best known for its role in normal blood clotting, and it's also involved in activating certain proteins related to bone mineralization.
K1 is found mainly in leafy greens, while K2 (including MK-4 and MK-7) is found more in fermented foods and animal products. The two forms are generally studied in relation to different aspects of vitamin K's role in the body, though both belong to the same vitamin family.
Some vitamin K supplements contain K1 or K2 alone, while others combine both forms or pair K2 with vitamin D3. Review the Supplement Facts panel to see which forms are included in a specific product.
Vitamin K supplements are commonly available as K2 in MK-7 or MK-4 form, in softgels, capsules, and combination formulas with vitamin D3.
Vitamin K supplements come in different forms, strengths and formats. Comparing the Supplement Facts panel and ingredient list can help you choose a product that meets your preferences.
