{"id":226853,"date":"2026-05-14T04:38:18","date_gmt":"2026-05-14T08:38:18","guid":{"rendered":"https:\/\/www.medicalofficesofmanhattan.com\/uncategorized\/dont-do-this-before-your-next-blood-test-doctors-warn\/"},"modified":"2026-07-16T02:00:57","modified_gmt":"2026-07-16T06:00:57","slug":"dont-do-this-before-your-next-blood-test-doctors-warn","status":"publish","type":"post","link":"https:\/\/www.medicalofficesofmanhattan.com\/es\/news\/dont-do-this-before-your-next-blood-test-doctors-warn\/","title":{"rendered":"Don\u2019t Do This Before Your Next Blood Test, Doctors Warn"},"content":{"rendered":"

Preparing for a blood test involves more than simply showing up at the lab. What you consume beforehand can impact the accuracy of your results. While many people assume black coffee is safe before fasting bloodwork, doctors warn that it may affect certain measurements, including blood sugar, cholesterol, and dehydration-related markers.<\/p>\n

According to Dr. Yoshua Quinones<\/a>, \u201cBlack coffee can influence mainly dehydration values. It can also influence your cholesterol, [including] triglycerides and A1C blood sugar levels.\u201d Dr. Quinones recommends following fasting instructions carefully and avoiding coffee before a fasting blood test to help ensure accurate results. Read the full article here<\/a>.<\/p>\n

Would you like to schedule an appointment with Dr. Quinones?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Preparing for a blood test involves more than simply showing up at the lab. What you consume beforehand can impact the accuracy of your results. While many people assume black coffee is safe before fasting bloodwork, doctors warn that it may affect certain measurements, including blood sugar, cholesterol, and dehydration-related markers. According to Dr. Yoshua […]<\/p>\n","protected":false},"author":5,"featured_media":226874,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[455,457],"tags":[],"class_list":["post-226853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-media"],"acf":[],"yoast_head":"\nBlood Test Tips | Medical Offices of Manhattan<\/title>\n<meta name=\"description\" content=\"Dr. Yoshua Quinones explains why drinking coffee before fasting bloodwork may affect results and shares tips for preparing for accurate lab tests.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.medicalofficesofmanhattan.com\/es\/news\/dont-do-this-before-your-next-blood-test-doctors-warn\/\" \/>\n<meta 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