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Lots Of Multivitamins Skimp On These Important Vitamins & What To Look For

Here's exactly what to look for in a better option.

Self Help

If you take a multivitamin, you probably expect it to live up to its "multi" title and provide you with a solid supply of all of the different vitamins and minerals you need. Unfortunately, though, that's not always the case. In fact, if you turned around your multivitamin bottle for a good look at the list of nutrients it contains, well, you might be in for a bit of a shock. Lots of multi formulas (even the trendy and well-known ones!) skip on certain important nutrients, leaving gaps in the nutritional insurance policy you so proactively pop every day.

And though minerals often get the boot, they're not the only family that gets left out of multivitamins; these trusted daily supplements often either leave out certain B vitamins altogether or include them in teeny-tiny amounts or less-than-optimal formats.

Does your multi contain allthe B vitamins?

ICYMI: There are eight total vitamins in the B vitamin family. In addition to a few you've probably heard plenty about—like B12, folate, and biotin—the B vitamins also include thiamin, riboflavin, niacin, pantothenic acid, and B6.

Of course, each individual B vitamin has its own role to playin the complex symphony that keeps your body humming along—and each is critical, explains mbg director of scientific affairs Ashley Jordan Ferira, Ph.D., R.D.N.* "Their roles include cellular metabolism and energy production, plus the normal synthesis of red blood cells, DNA, and neurotransmitters, to name a few,"* she explains. Pretty important stuff, no?

And while insufficiency or deficiency in one (or more) of the B vitamins is less common than other nutrients ( like vitamin D, which nearly one-third of Americansare straight-up deficient in, for example), that doesn't mean we should brush them off.

Nutrient gaps absolutely exist for the Bs. For example, about 10% of people do fall short on vitamin B6, which helps synthesize neurotransmitters in the brain, allows for the production of antibodies and cytokines in the immune system, and supports nervous system function, among other things.* That doesn't really sound like a nutrient you want to miss out on...

And as Ferira points out, "If you are following a plant-centric, vegetarian, or vegan dietary pattern, that's awesome, but vitamin B12 must be top of mind since it's top sources from the diet are all animal-based." And as it turns out, vitamin B12 is a multitasker when it comes to critical daily functions; you see, "B12 is required daily for the production of DNA, key amino acids, red blood cells, and cellular energy (ATP) from the food we eat, as well as immune cell function, neurologic and cardiovascular health,"* explains Ferira.

Considering how popular B complex supplements are, it's safe to say health-conscious people understand just how important it is to get enough of these different vitamins—which begs the question: Why do so many multivitamins let them fall to the wayside?

"If there was ever an opportunity to fold one supplement into another (and save the customer some time and money), it would be to deliver a B complex with  all eight essential B vitamins within a multivitamin," Ferira says. Thing is, "few multivitamins intentionally build in a complete B complex with premium bioactive and methylated formats of those nutrients."

Does your multivitamin offer bioactive and methylatedB vitamins?

This brings up another important shortcoming of many multivitamins, including the ones that actually contain all eight B vitamins: their bioavailability.

Up to 40% of people have one or two mutationsin their MTHFR gene, according to  Wendie Trubow, M.D.Why this matters when it comes to your multi? The MTHFR gene provides instructions for your body to convert vitamin B9 (folic acid) into its active form (methylfolate), which is then necessary for a whole-body process called methylation that's important for DNA protection, detoxification, and more. Research suggests people with MTHFR mutations produce up to 70% less methylfolate, which then has far-reaching effects on health.*

For this reason, it's crucial that people with the MTHFR genetic polymorphism take supplements that provide B vitamins (particularly B9 and B12) in their active, methylated forms, according to functional medicine expert Will Cole, IFMCP, D.N.M., D.C.* (And since many people with MTHFR mutations don't even knowit, it's probably a better-safe-than-sorry move to always seek out B vitamins in this form.*)

You'll also want look out for the most bioactive formats (ready for the tissues and cells in your body!) of the other B vitamins. For the entire B vitamin family, here's a cheat sheet:

What to look for in a multivitamin that embraces the Bs.

What all of this means for yourdaily multivitamin routine: Ideally, you'd take a formula that not only provides all eight of the B vitamins (and in relevant, potent amounts) but that also offers them in their bioactive forms to ensure you get the most out of them possible.

Multis that check all of these boxes are few and far between. That's where mbg's ultimate multivitamin+comes in. "We intentionally formulated this next-generation multi to include a built-in, high-potency, and complete B complex, featuring 200% or more of the Daily Value of all eight B vitamins," Ferira says. "It also features all eight Bs in their most bioactive forms—including methylation technology for folate (5-MTHF) and vitamin B12 (methylcobalamin)—to optimize bioavailability and bioactivity in the body for all consumers."*

Unless your health care practitioner has recommended otherwise, taking ultimate multivitamin+ allows you to forego adding a separate B complex to your routine, notes Ferira. (Of course, you can also check out our hand-picked list of the best multivitaminsout there right now for other options.)

The bottom line here: A closer look at your multivitamin formula might reveal that it either lacks certain B vitamins, contains suboptimal amounts of B vitamins, and/or fails to provide the Bs in their most bioactive forms. Taking a multi that addresses all of these B concerns can help you best optimize your nutrition and health.

If you are pregnant, breastfeeding, or taking medications, consult with your doctor before starting a supplement routine. It is always optimal to consult with a health care provider when considering what supplements are right for you.