What is the Recommended B12 Dosage After Bariatric Surgery?

Determining the right vitamin B12 dosage can feel like a moving target, but it’s a crucial part of your long-term health plan. While there isn’t a single “one-size-fits-all” number, there are clear, evidence-based guidelines that provide an excellent starting point. The most important principle is that your dosage must be personalized. It will depend on … Read more

Your Guide to B12 Supplements: Injections, Sublinguals, and More

Navigating the vitamin aisle after bariatric surgery can be overwhelming. When it comes to vitamin B12, you’ll see pills, sublingual drops, injections, and even patches. Which one is right for you? The answer depends on your specific surgery, your blood levels, and your personal preferences. Standard, low-dose B12 pills that you swallow are not effective after surgery … Read more

My B12 Levels Are Sky-High. Is It Dangerous?

fter diligently taking your high-dose B12 supplements, you get your lab results back and see a number that seems alarming—maybe >1500 or even >2000 pg/mL, often flagged as “High” on the report. Your first instinct might be to panic, wondering if you’ve overdone it. Take a deep breath. In the context of bariatric supplementation, an … Read more

Can I Get Enough B12 From Diet Alone After Surgery?

This is one of the most common and important questions bariatric patients ask. You’re eating healthier than ever, focusing on lean proteins like meat, fish, and dairy—all fantastic sources of vitamin B12. It seems logical that a high-quality diet should be enough. The answer, however, is an unequivocal and medically crucial no. Let’s be clear: After … Read more

The Science of B12 Absorption and Why Surgery Disrupts It

To truly understand why you need to supplement with vitamin B12 for life, it helps to look at the elegant, yet fragile, biological process that bariatric surgery disrupts. Think of it as a delicate, two-step security handshake that must happen perfectly for B12 to enter your system. Your surgery has, by design, interrupted that handshake. … Read more