Updated: January 2021
A few years ago, a private client of mine gave me the opportunity to look more closely at the best multivitamins.
She wanted to know if she should be taking a multivitamin, and if she should be giving one to her children. Of course, she also wanted to know which brands make the best multivitamins.
I shared my opinion with the Gimme readership back then, and now am pleased to be able to update you guys. What follows is even more research on multivitamins, plus a few supplements I do recommend, as well as suggestions for the best multivitamins if you decide to take one.
RELATED: Best Prenatal Vitamins
The best way to hit all nutritional checkpoints is by eating a diverse range of vibrantly-colored fruits, vegetables, nuts, seeds, and whole grains. This is hard to accomplish for a picky child, of course. Many nutrients are lost during the processing of the food most Americans eat.
For adults, there is no harm in taking a multivitamin, although it’s unclear if there is a huge benefit, either. In general, I recommend against giving a multivitamin to young children, but I think they cannot hurt for kids about six and older. You’ll read more about this below.
I do recommend that both children and adults take a vitamin D supplement. You should also consider a fish oil supplement or a multi that contains fish oil if you or your children don’t eat fish.
Science clearly shows that vitamins and minerals are important to overall health. Studies have also shown that the best way to get most nutrients is from our food.
There is some evidence to suggest that the quality of modern soil and agricultural practices are insufficient to produce food as rich in nutrients as the stuff that our ancient ancestors enjoyed. This makes sense.
Still, most researchers argue that isolating vitamins into pill form vastly reduces or even eliminates the benefits.
The theory that multivitamins and supplements can “fill gaps” in our dietary intake of vitamins and minerals also makes sense. And yet most studies have been unable to find any actual health benefits when compared to placebo or non-use.
Despite this lack of clear benefit, many doctors recommend the use of a daily multivitamin, and I don’t think there is much harm in “covering your bases” by taking one.
I haven’t come across strong evidence that taking vitamins has any major downsides for adults, but there are a few worrisome studies I’ve found that don’t apply to most people, but are still worth mentioning:
You can take toxic doses of vitamins—in particular preformed vitamin A, E, and K. Look for supplements with no more than 100% of your daily value for these.
Excessive doses of vitamin C have also been shown to increase the risk of kidney stones. Most of us get plenty of vitamin C in our diets, so it’s not one that you need much of in a supplement.
If you are trying to get nutrients from a pill, it makes sense to get a food-based pill. The less we try to break down vitamins/minerals to the sum of their parts, the more bio-available all the nutrients will be.
There are two brands I like if you choose to take a multivitamin–or if your doctor recommends one.
Ritual’s multivitamin contains half of the number of ingredients of most multivitamins, so you’re not getting unnecessary or excessive amounts of nutrients. For instance, this multi doesn’t include calcium, because most women get plenty from their diets and it can impede the absorption of iron. Ritual’s multi uses folate rather than synthetic folic acid, and it contains omega-3 oil (a vegan form) in the same pill with the other nutrients This brand is one of the most transparent of those we reviewed, and has the best third-party testing. Finally, Ritual’s multivitamin has an enteric coating to improve absorption of nutrients. You can shop Ritual here.
If you, like me, have a hard time swallowing pills, then these gummies will make taking vitamins something you actually look forward to . Despite not even being convinced that I need a multivitamin at all, I take these every day after lunch when a sugar craving hits (I also take their vitamin D and probiotic). I like this brand because their gummies don’t contain any sugar (they’re sweetened with organic apples and strawberries) are organic, and contain no synthetic vitamins.
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Considering how many kids take multivitamins, I was surprised to uncover almost no research on the benefits and risks of this daily habit.
Each brand of multivitamins contains a different cocktail of vitamins, and the quantities of each vitamin varies by brand as well. When studies are done on “multivitamins,” they don’t seem to take these differences into consideration. Therefore, we really don’t know which combinations of vitamins and minerals carry which benefits or even which potential risks.
Here are a few red flags I uncovered:
Overall, I think the potential for a downside outweighs the potential benefit of multivitamins for kids under about the age of about six. Of course, I defer to your pediatrician–if he or she recommends that your child take a multi, or if your child has a very restricted diet, there are a few brands that qualify as Good Stuff that you can consider.
And for older children, a high-quality multivitamin might be beneficial and probably isn’t harmful. Based on our research, the best multivitamins for kids are the following:
This is a unique gummy brand because it has no added sugar–the vitamins are sweetened with just fruit. It has a good range of naturally-derived vitamins, including 100% the daily requirement of vitamin D.
Sweetened with monk fruit, Rituals chewable vitamins also contain fiber, a prebiotic, and omega-3 oils. Ritual has separate (non-chewable) formulas for teenage girls and boys, both of which adhere to Ritual’s strict ingredients sourcing policy.
Hiya is the most eco-friendly brand because they come in a reusable glass bottle and then send you monthly refill packs. The ingredients list is very clean, and Hiya’s chewable vitamins aren’t a gummy at all, so they are a great option for kids who are prone to tooth decay.
My research left me somewhat torn about the necessity of multivitamins, but I did come away convinced that we all should be taking a couple of supplements:
I like Carlson as a brand for vitamin D supplements for babies. As for kids (and me!), we take these ones by Rainbow Light or this one by Llama Naturals (which is free of sugar).
Nordic Naturals Baby’s DHA is a good one, as are the Nordic Naturals supplements for adults. (Note that the orange-flavored “Fishies” by Nordic Naturals have low levels of omega-3s and are basically candy.) Ritual’s kids multivitamin also contains omega oils and is Good Stuff approved.
Another supplement that you might consider is one with B12 if you are a vegan. This one has 75% of what you need in a day.
Finally, probiotics are good for all of us, and while they are beyond the scope of this post, you can read more about them here.
What supplements and vitamins do you like? Please share in the comments below.
Stay sane,
P.S. If you’re pregnant or thinking of becoming pregnant, you may want to read our guide to the Best Prenatal Vitamins.
P.P.S. Here’s Llama Naturals lineup of vitamins, including a probiotic we take every day.
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Hi Maia,
I wondered if you would mind expanding this discussion to include Prenatal Vitamins.
My top three are:
New Chapter Perfect Prenatal
Garden of Life mykind Prenatal Multi
Initially I didn't like the Rainbow Light Prenatal because the Vitamin A is partially from Retinyl Palmate. Though they do have an Organic version that sources the Vitamin A solely from Beta-carotene.
Of the three of these, the Rainbow Light Organic has greatly reduced the amount of Vitamin A to 31% so as to prevent accidental overdose in combination with a healthy diet. So my question is are the New Chapter and Garden of Life versions dangerous with the Vitamin A up at 100%?
In your research of multi vitamins and prenatal vitamins, I came upon this site which has some great data available.
https://labdoor.com/rankings/prenatal-vitamins
labdoor makemoney of the products they recommend. Don’t really trust their reports.
Hi Alexandria-yes, we are going to do a thorough prenatal vitamin review in a future blog post....I don't think that the two brands you recommended with high levels of vitamin A are necessarily dangerous...but the Rainbow Light organic one sounds like a better bet! Thanks for all the research! I find labdoor to be a useful site as well.
I second this request! And have also used those 2 brands. Thanks!
Sorry I'm on a phone and meant to put this reply up above. Didn't see your response Maia. Looking forward to your post! :)
Be careful though. I know Rainbow Light is high in lead. My latest best find is SmartyPants. What do you think of those?
Hi Penelope-
The studies I saw showed very high purity for Rainbow Light vitamins--can I ask where you saw the info about lead? You can check out SmartyPants and others on labdoor.com
Whole food based supplements are generally higher in lead. The fda did a study a few years ago that showed this. Rainbow light was one of the highest.
I saw that study, Ally, but that was from 2008, and my understanding is that the last tests showed high purity for the Rainbow Light multi (although I still need to research the prenatals).
You recommend the Nordic Naturals brand for babies and adults, but are there any specific ones you recommend for toddlers 2+ and 4+?
Appreciate all the research.
Hi Sarah-I would probably just do the Nordic Naturals baby ones even for toddlers/kids, but run it by your doctor!
Hi~Vitamins and supplements are so tricky. Glancing at the Women's One, it looks like it contains a couple of synthetic sources of vitamins. Take a look at let me know what you think!
Agreed! Look for vitamins with the bioavailable and methylated forms of the b vitamins, especially folic acid. Folic acid is synthetic, and should be avoided by everyone, esp those with the mthfr mutation.
Thanks so much, Ally, for your wealth of knowledge!
Very True. Check for folate instead of folic acid. Folate is the natural form of folic acid.
I use Nordic Naturals and Carlson. Vitamin D is so important. You have to be careful about fish oil there is a lot of info out there saying it is not pure. We have tried a few kinds of multi vitamins and right now we like Dr Mercola's. We also use his krill oil instead of the other fish oil. It comes from a trusted source. We also use his probiotic for kids. My other kids won't take it so I buy the garden of life powder probiotic for them. I take Garden of Life women's multi. It's a good option for women's multi vitamin.
I know you said you didn't think kids should take vitamins...I'm so torn on this issue. Our pediatrician was ready to put my 6 month old (at the time) on one. I asked what was in it, and the first things out of the nurse's mouth were iron and fluoride. The fluoride sent me running for the hills! Ugh...but I am a worrier, so I wonder if he shouldn't be on something for the iron? Then the next issue is finding one...I really want to avoid folic acid. I personally was found to be having major issues after someone took me off my folic acid containing vitamin. I was having days where I felt drugged. The problem is I can't find a vitamin powder for kids that uses folate AND has iron. Seeking Health as one minus the iron. I've also been interested in Honest Company's infant toddler powder, but of course then we've got the folic acid. Any thoughts on iron importance in supplementation of infants (he is now 11 months old). I'm not counting food as a good source of nutrients yet, because he still plays with his food more than he eats it. Sorry for the rambling comment...I have a lot of thoughts on the subject, but no real idea which is the best choice...And not doctor I trust enough to help. I'd also love to know what you think of the Honest Company Adult vitamins. It looks like they are making a switch over from folic acid to folate. p.s...thank you for all you do!
Hi Kristen-
I definitely don't see any reason for a child to be on iron unless they are truly anemic--is that the case with your baby? Of course I am not a doctor so I encourage you to consult with yours. From what I've seen so far, Honest Company adult vitamins look fine.
Maia... I agree on some points you mentioned here.. But please do look into Shaklee supplements... They're the only company I know whom has 125 published peered reviewed papers, does 250 more tests (gov does 80) than any company for purity, and has PROOF that vitamins (multi's) can improve ones health. I get that there's a lot of fraud out there... But as I have requested before, I wish you would really look into Shaklee... I think you will be pleasantly surprised, and I bet you mom knows them too :)
Hi Jami,
Thanks for your comment!
I do know about Shaklee supplements. They have been around for a long time! I am sure that their products are fine, if you want to take supplements. I prefer to purchase supplements in the retail market, although I am not a huge supplement fan. When we do more extensive research on supplements and vitamins, we will include Shaklee. Suzanne
I think if the diet is full of healthy food, a vitamin seems redundant. and useless esp. for an 11 month old child. Have confidence that your instincts will serve you well. If it doesn’t make sense, run. Most Doctors will not advocate vitamins and if they do they are the cheap toxic ones. Additionally a child can get too much iron, folate, etc....I’m a fan of vitamin c (non gmo) d3 and fish oil for older children. But of course, fish oil can be poor quality so you want to do your research. I think teenagers should have a stress vitamin b complex (Food based) and d3 and fish oil. For adults, I personally take Carlson’s super D3 killing 2 birds w/one stone (pardon expression). Try not stressing. Believe all is well. :-)
Anything on honest company vitamins?(multivitamins, Dha/ fish oil, lactation plus, baby/ toddler multi powder, prenatals)
Thanks!
We haven't gotten enough info on them to make a call one way or another. When we do an updated post on vitamins, we will be sure to include them!