Sports Research Vitamin D3 + K2 has lived on my kitchen counter by the coffee maker since April 2024. One plantgel with breakfast, next to the Centrum and the fish oil. I am 57, retired after 26 years running a school cafeteria, and I read every label before a bottle goes in my cart. My husband Gene takes none of this. So when a neighbor asked me last month whether she ought to switch to Nature Made Vitamin D3 K2, I did what I always do. I sat down with both listings and read them line by line.

Here is the short answer. If you want a small softgel, a plant-based D3, and a K2 named as MK-7 on the label, Sports Research is the one I keep buying. If you want a tablet you can pick up at the grocery store on a Tuesday afternoon, in a larger bottle, with a third-party seal, Nature Made is the easier habit to keep. Neither choice is a mistake. I have never taken Nature Made Vitamin D3 K2, so I am not going to pretend I know how it sits with you. I judged it by its label and its listing, the same way I judge anything I have not bought.

Sports Research D3 + K2Nature Made D3 K2
FormSmall softgel, easy to swallow with waterTablet
D3 sourceVegan D3 from lichenThe label I read does not call it vegan
K2100 mcg MK-7 from fermented chickpeasLists K2, form not something I can confirm from one listing
BaseCoconut oilNo oil base listed
Bottle count30 plantgels, so I reorder about every monthLarger counts on the listing I read
Third-party sealNot shown on the listing I readUSP Verified mark on many Nature Made bottles
Daily servingOne plantgelOne tablet
Where I get itAmazon, which means I plan the reorderGrocery and drugstore shelves

How I Compared Them, and What I Did Not Do

I did not run a test. I am not a doctor, a nurse, or a dietitian, and I am not going to dress up a label reading as a clinical trial. What I did was simpler. I set the two listings side by side, wrote down the numbers that were actually printed, and asked myself one question. Which bottle would I still be reaching for in three years?

That question matters more than people think. I have watched friends start a supplement in January and quit by March, not because it failed them but because it was a hassle. A bottle that is easy to find is not a small thing. Neither is a softgel that goes down without a fight. I showed my pharmacist the full list of what I take in January 2025 and she told me to keep the magnesium apart from the morning group. That is the only instruction I follow, and it is the reason everything else in my morning stays where it is.

I also want to be plain about the limits of what I am doing here. I have a sheet of notebook paper with two columns on it, one for each bottle, and I filled it in over two evenings at the kitchen table with my reading glasses on. Where a listing was silent, I left the line blank rather than filling it in with what I assumed. There are three blank lines on that paper right now. That is not laziness. It is the honest state of what a label will tell you, and I would rather hand you a page with gaps in it than a page that sounds complete and is not.

One more thing about method. I did not open a bottle of the Nature Made to look at the tablet, and I did not buy one to hold in my hand. So everything I say about it comes from a listing with a photograph and a bullet list, and I will say so again wherever it matters. If you are standing in a store with the bottle in your hand, you can check things I could not, and you should.

A hand holding a single small softgel above an open supplement jar on a kitchen counter

What Is Actually Inside the Sports Research Softgel

The label as printed says 125 mcg (5000 IU) of vegan D3 and 100 mcg of K2 as MK-7. The D3 comes from lichen, the K2 from fermented chickpeas, and the softgel carries coconut oil. It is gluten free and the label says vegan. That is the whole list of what I can tell you without guessing, and I would rather give you a short list that is right than a long one that sounds impressive.

The part that made me change bottles back in April 2024 is the pairing. The listing describes D3 and K2 working together on bone support and calcium metabolism. I am not going to explain the biochemistry beyond that, because I would just be repeating words I do not fully own. What I can tell you is that my old bottle was a plain store-brand D3 with no K2, I read enough to decide I wanted them together in one swallow, and I have not gone back.

The jar itself is small, about the size of a spice jar, roughly 1.88 inches across and just under 4 inches tall, and it weighs a little over an ounce. That sounds like a nothing detail until you have a counter with five bottles on it. The D3 + K2 jar fits in the gap between the coffee maker and the canister set without being moved, and because I can see it from the sink I notice when it gets light. A bottle I can see is a bottle I reorder. A bottle in a cabinet is a bottle I forget, and I have the cabinet above the coffee maker to prove it, since the fish oil lives up there and I think about it far less often.

A 30-count jar means I am reordering about every month. That is the only real complaint I have about the bottle I keep buying.

How the Routine Actually Works at My House

My morning is not complicated but it is ordered. 7:00 is the probiotic with a glass of water. 7:30 is breakfast, and with breakfast I take the Centrum, the Sports Research plantgel, and two fish oil softgels. 9:00 at night is the magnesium, which lives on my nightstand and is the only bottle that does. Bottles stay in their original containers. I have never used a pill organizer. That is 31 months of the same order and I have not missed a stretch of it.

I mention the order because it is the only thing that makes a comparison useful. A supplement you actually take is worth more than a better one you skip. When I look at these two bottles I am not hunting for the winner on paper. I am asking which one survives contact with a Tuesday morning when the coffee is not ready, the neighbor's dog is barking, and I have four other things in my hands. For me that has been the small softgel, once a day, sitting next to the coffee maker.

There is a specific morning I think about when I say that. It was the second week of February this year, cold and gray, and I was out the door before 8:00 to take Gene's truck in for an inspection. I did not sit down to eat. I stood at the counter, took the plantgel with a half glass of water, and was gone in under a minute. That is the whole test right there. A tablet the size of a nickel needs a full glass and a minute of standing still. A small softgel needs neither, and on the mornings you are rushed, that difference decides whether the habit happens at all.

But I would tell a friend the same thing in reverse. If ordering online is the step that breaks, then the bottle from the grocery store wins, no matter what the label says. The tablet with the seal and the bigger count is not a compromise. It is the same job done with fewer moving parts, and fewer moving parts is usually what keeps a habit alive.

Where Sports Research Wins

Swallowing is where Sports Research earns its spot on my counter. The plantgel is small, it goes down with water, and I have never had that moment where something sticks halfway and you go looking for a second glass. I take it at 7:30 with breakfast, eggs or oatmeal with butter, because it is a fat-soluble vitamin and breakfast is the meal where I actually eat some fat. One plantgel. That is the entire ritual, and the ritual being small is why it lasted.

The second thing is what is named on the label. The vegan D3 from lichen and the MK-7 from fermented chickpeas are both spelled out, not buried in a proprietary blend. For anyone who avoids animal sources, that is not a marketing point, it is the reason the bottle is in the cart at all. My old D3 was not vegan and I did not care at the time. What I cared about was getting D3 and K2 in one swallow instead of two bottles, and this does that without a second purchase.

There is a third thing worth naming, and it is smaller than the first two. The softgel does not taste of anything. I have taken things that left a taste behind and made me dread the second one, and that dread is how a bottle ends up at the back of a cabinet with a dust line on the lid. This one is unflavored, which the listing confirms, and it goes down and is forgotten. Nothing dramatic. Just one less thing to brace for, and bracing is what kills a morning routine faster than anything.

A hand writing a short reorder note on a small notepad beside a coffee mug on a kitchen counter

Where Nature Made Wins

Nature Made wins on the errand, and I am not going to pretend otherwise. I can walk into the grocery store two miles from my house and put a bottle in the cart without planning a thing. Sports Research comes to me in a box, which means I have to notice the jar is getting low and order before it runs out. A 30-count jar at one a day is a monthly job. I have done that math for 31 months and kept up with it, but calling it nothing would be a lie.

Nature Made also has a tablet habit and a seal going for it. Many Nature Made bottles carry a USP Verified mark, which is an outside check on what is actually in the bottle, and the listing I read does not show that kind of mark for Sports Research. If you are the sort of person who wants a stamp on the label before you trust a company, that counts for something. Check the bottle in your own hand for the current mark, because labels change and I am reading one listing on one day.

And there is the bottle size question again, which is really a question about how you shop. When my neighbor and I went through this, she said something that stopped me. She said she goes to the store twice a week anyway, so picking up a bottle is not a separate trip for her, it is a thing she passes. I do not shop like that. If you do, the larger count and the shelf are not small advantages. They are the whole argument, and they are a good one.

The softgel I have taken every morning since April 2024

One plantgel with breakfast. 125 mcg of vegan D3 from lichen, 100 mcg of K2 as MK-7, coconut oil base, gluten free. If you want the pair in a single swallow, this is the bottle that has stayed on my counter.

Check Today's Price on Amazon →

The Label Detail Most People Skip

The detail I would flag first is serving count, because it decides whether a bottle lasts a month or several. Sports Research is one plantgel a day and the jar holds 30. Nature Made, on the listing I read, sells in larger counts. If you are the type to forget a reorder, the bigger bottle is the forgiving choice, and forgiving beats perfect when you are standing in the kitchen at 7:30 in the morning with one hand on the coffee pot.

The other detail is D3 alone versus D3 with K2. Plenty of people take plain D3 and are perfectly content, and there is nothing wrong with that. I took a store-brand D3 with no K2 for a stretch before I switched, and I switched because I read the pairing described on this listing and decided it was worth one bottle instead of two. That reasoning may not move you, and it does not have to. What I would ask is that you read the back of whatever you are holding and know what is in it, rather than assuming.

Who Should Buy Which

Buy Sports Research if you want a small softgel, a plant-based D3, and K2 named as MK-7 on the label. Buy it if you already order enough on Amazon that a monthly reorder is just part of the routine. Buy it if your current bottle is D3 alone and you would rather have the pair in one swallow than add a second jar to the counter.

Buy Nature Made if you want to pick up a bottle in person, if you prefer a tablet, or if a third-party seal is what lets you stop thinking about it. Buy it if you take several products from the same brand and want one stop instead of three boxes arriving. And if you take any medication at all, ask your pharmacist before you add either one, the way I did in January 2025. I am not a medical professional. I am a retired cafeteria manager with a kitchen counter and a routine that has held for 31 months, and that is the whole of my authority.

One plantgel with breakfast, 31 months running

If the routine is what decides it for you too, the bottle is below. 30 plantgels, one a day, coconut oil base, vegan D3 from lichen and K2 as MK-7. Reorder it before the jar gets light and it never becomes a decision.

See the Sports Research D3 + K2 listing on Amazon →