{"product_id":"vitamin-d3-2-000-iu-1","title":"Vitamin D3 2,000 IU","description":"\u003c!-- MSB product body: Vitamin D3 2,000 IU (capsules skin). Scoped under .msb. 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.lead{color:rgba(233,229,211,.78);max-width:44rem;font-size:1.08rem;margin-bottom:2rem}\n.msb .stats{display:flex;flex-wrap:wrap;gap:.7rem}\n.msb .st{flex:1 1 9.5rem;min-width:0;background:rgba(233,229,211,.09);\n  border:1px solid rgba(233,229,211,.16);border-radius:14px;padding:1.05rem 1.15rem}\n.msb .st b{display:block;color:var(--lime);font-size:1.85rem;font-weight:700;letter-spacing:-.03em;line-height:1}\n.msb .st span{display:block;font-size:.67rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;\n  color:rgba(233,229,211,.6);margin-top:.5rem}\n@media(max-width:44rem){.msb .band.open{padding:2.6rem 0 2.8rem}\n.msb .band.open h2{font-size:2rem}.msb .st b{font-size:1.5rem}}\n\u003c\/style\u003e\n\u003cdiv class=\"msb\"\u003e\n\u003csection class=\"band open\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"eyebrow\"\u003eVitamin D3 2,000 IU · 100 softgels\u003c\/p\u003e\n  \u003ch2\u003eThe biggest trial ever run used exactly this dose.\u003c\/h2\u003e\n  \u003cp class=\"lead\"\u003eOne ingredient, the better of the two forms, above the RDA and half the ceiling. And the landmark trial that tested it on 25,871 people — printed on the page rather than left for you to find.\u003c\/p\u003e\n  \u003cdiv class=\"stats\"\u003e\n  \u003cdiv class=\"st\"\u003e\n\u003cb\u003e2,000 IU\u003c\/b\u003e\u003cspan\u003e50 mcg · 250% DV\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"st\"\u003e\n\u003cb\u003e100\u003c\/b\u003e\u003cspan\u003eDay supply +\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"st\"\u003e\n\u003cb\u003e4,000 IU\u003c\/b\u003e\u003cspan\u003eUpper limit\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"st\"\u003e\n\u003cb\u003eGelatin\u003c\/b\u003e\u003cspan\u003eNot vegan\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"st\"\u003e\n\u003cb\u003eSoy\u003c\/b\u003e\u003cspan\u003eAllergen\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"band white\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cdiv class=\"split\"\u003e\n    \u003cdiv class=\"c\"\u003e\n      \u003cp class=\"eyebrow\"\u003eEverything on the label\u003c\/p\u003e\n      \u003ch2\u003eWhat's actually in it.\u003c\/h2\u003e\n      \u003cp\u003eOne softgel, one active ingredient: \u003cstrong\u003e2,000 IU of vitamin D3 as cholecalciferol\u003c\/strong\u003e — 50 micrograms. That's it. Everything else in the capsule exists to hold the D3 and keep it stable, which for a fat-soluble vitamin means oil.\u003c\/p\u003e\n      \u003cp\u003eTwo things about this product are worth knowing before you add it to the basket, and neither is printed prominently on the bottle.\u003c\/p\u003e\n\n      \u003cdiv class=\"alert\" style=\"margin-top:1.2rem\"\u003e\n        \u003cb class=\"h\"\u003eThis one is not vegan, and it contains soy.\u003c\/b\u003e\n        \u003cp\u003eThe softgel shell is \u003cstrong\u003egelatin\u003c\/strong\u003e — animal-derived. The carrier oils are \u003cstrong\u003esoybean oil and corn oil\u003c\/strong\u003e. If you avoid animal products, or you avoid soy, this is not your vitamin D. Vegan D3 from lichen exists and we'd rather point you at it than sell you the wrong bottle.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ing\"\u003e\n        \u003cspan class=\"tag\"\u003eThe other ingredients\u003c\/span\u003e\n        \u003cdl\u003e\n          \u003cdt\u003eGelatin, glycerin, water\u003c\/dt\u003e\n          \u003cdd\u003eThe softgel shell. Gelatin is collagen from animal sources — this is what makes the product non-vegan and non-vegetarian.\u003c\/dd\u003e\n          \u003cdt\u003eSoybean oil, corn oil\u003c\/dt\u003e\n          \u003cdd\u003eThe carrier. Vitamin D is fat-soluble, so it has to be suspended in a fat to be absorbed properly. Soy is one of the major declared allergens.\u003c\/dd\u003e\n        \u003c\/dl\u003e\n      \u003c\/div\u003e\n\n      \u003cp class=\"fine\" style=\"margin-top:1rem\"\u003eMade in the USA in an FDA-registered facility. 100 softgels — a little over three months at one a day.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"c\"\u003e\n      \u003cdiv class=\"facts\"\u003e\n        \u003cdiv class=\"t\"\u003eSupplement Facts\u003c\/div\u003e\n        \u003cdiv class=\"r\"\u003e\n\u003cspan\u003eServing Size\u003c\/span\u003e\u003cb\u003e1 Softgel\u003c\/b\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"r thick\"\u003e\n\u003cspan\u003eServings Per Container\u003c\/span\u003e\u003cb\u003e100\u003c\/b\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"r thick\"\u003e\n\u003cspan\u003eVitamin D3\u003csmall\u003eas cholecalciferol · 50 mcg\u003c\/small\u003e\u003c\/span\u003e\u003cb\u003e2,000 IU   250%\u003c\/b\u003e\n\u003c\/div\u003e\n        \u003cp class=\"fn\"\u003e* Percent Daily Value based on the FDA's 20 mcg (800 IU) Daily Value for vitamin D.\u003c\/p\u003e\n        \u003cp class=\"oth\"\u003e\u003cstrong\u003eOther Ingredients:\u003c\/strong\u003e Softgel (gelatin, glycerin, water), Soybean Oil, Corn Oil.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"why\" style=\"margin-top:1.3rem\"\u003e\n\u003cb\u003eWhere 2,000 IU sits\u003c\/b\u003eThe RDA is 600 IU for adults, 800 IU over 70. The tolerable upper limit is 4,000 IU. This is above the RDA and at half the ceiling.\u003c\/div\u003e\n      \u003cdiv class=\"why\"\u003e\n\u003cb\u003eWhy D3 and not D2\u003c\/b\u003eD3 (cholecalciferol) is the form your skin makes from sunlight and it raises blood levels more reliably than D2. This is the better of the two forms.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band cream\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"eyebrow\"\u003eThe evidence\u003c\/p\u003e\n  \u003ch2\u003eWhat the research actually shows.\u003c\/h2\u003e\n  \u003cp class=\"lead\" style=\"margin-bottom:1.7rem\"\u003eVitamin D has the strangest evidence base of anything we stock: rock solid for one thing, and repeatedly disappointing for the long list of things it got famous for. Both halves are below.\u003c\/p\u003e\n  \u003cdiv class=\"cards\"\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003cspan class=\"grade g-s\"\u003eStrong evidence\u003c\/span\u003e\n      \u003ch3\u003eBone and muscle function — settled\u003c\/h3\u003e\n      \u003cp\u003eVitamin D's core job isn't in dispute. It's required for calcium absorption in the gut, and without enough of it your body cannot maintain normal bone mineralisation. Severe deficiency causes rickets in children and osteomalacia in adults. Vitamin D also plays a documented role in normal muscle function and immune function. This is textbook physiology, not a claim we're making.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003cspan class=\"grade g-s\"\u003eStrong evidence\u003c\/span\u003e\n      \u003ch3\u003eDeficiency is common — in specific groups\u003c\/h3\u003e\n      \u003cp\u003eThe people most likely to be short are the ones you'd expect: adults with little sun exposure, people who cover their skin, those with darker skin (melanin reduces vitamin D synthesis), older adults (skin synthesis declines with age), people with fat-malabsorption conditions, and anyone living at a northern latitude through winter. If none of those describe you, your odds of being deficient are lower than the marketing implies.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card early\"\u003e\n      \u003cspan class=\"grade g-e\"\u003ePromising, still early\u003c\/span\u003e\n      \u003ch3\u003eThe threshold nobody agrees on\u003c\/h3\u003e\n      \u003cp\u003eHere's the part almost no supplement page tells you. Authorities genuinely disagree about how much blood vitamin D is \"enough.\" The National Academies set sufficiency at \u003cstrong\u003e20 ng\/mL\u003c\/strong\u003e; the Endocrine Society has used \u003cstrong\u003e30 ng\/mL\u003c\/strong\u003e. That single difference decides whether millions of people are classified as deficient or perfectly fine. It's an unresolved scientific disagreement, and anyone who tells you the answer is obvious is selling something.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card thin\"\u003e\n      \u003cspan class=\"grade g-t\"\u003eThin evidence\u003c\/span\u003e\n      \u003ch3\u003eVITAL — the trial that changed the story\u003c\/h3\u003e\n      \u003cp\u003eThe largest randomised trial of vitamin D ever run gave \u003cstrong\u003e25,871 adults 2,000 IU a day — this exact dose — for a median 5.3 years.\u003c\/strong\u003e Cancer incidence: hazard ratio 0.96, \u003cstrong\u003eP = 0.47\u003c\/strong\u003e. Major cardiovascular events: hazard ratio 0.97, \u003cstrong\u003eP = 0.69\u003c\/strong\u003e. Neither result was statistically significant. A follow-on analysis found no reduction in fractures in generally healthy adults either. We're putting the trial of our own product's dose on our own product page, because you deserve to see it.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card thin\"\u003e\n      \u003cspan class=\"grade g-t\"\u003eThin evidence\u003c\/span\u003e\n      \u003ch3\u003eMood, immunity and the winter story\u003c\/h3\u003e\n      \u003cp\u003eYou'll see vitamin D tied to winter mood, immune resilience and a dozen other things. The honest position is that observational studies keep finding associations and randomised trials keep failing to confirm them. Low vitamin D travels with a lot of conditions; that doesn't establish which way the arrow points. We're not going to build a sales pitch on it.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band lime\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"quote\"\u003eThe biggest trial ever run on vitamin D used exactly this dose for five years and missed its endpoints. We put it on the page rather than hoping you'd never look it up.\u003c\/p\u003e\n  \u003cp class=\"qby\"\u003eOur standard\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band white\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"eyebrow\"\u003eHow to take it\u003c\/p\u003e\n  \u003ch2\u003eOne softgel. With food.\u003c\/h2\u003e\n  \u003cdiv class=\"cards\"\u003e\n    \u003cdiv class=\"card early\"\u003e\n\u003ch3\u003eWith a meal containing fat\u003c\/h3\u003e\n      \u003cp\u003eVitamin D is fat-soluble. Taken with a meal that has some fat in it, absorption is meaningfully better than on an empty stomach.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"card early\"\u003e\n\u003ch3\u003eAny time of day\u003c\/h3\u003e\n      \u003cp\u003eMorning, evening, doesn't matter. Consistency matters more than timing — it's a level you build, not a dose you feel.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"card early\"\u003e\n\u003ch3\u003eCount everything you take\u003c\/h3\u003e\n      \u003cp\u003eMultivitamins, calcium-plus-D, fortified milk. The 4,000 IU upper limit applies to your total, not to this bottle alone.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"talk\"\u003e\n    \u003cspan class=\"tag\"\u003eStraight talk\u003c\/span\u003e\n    \u003cp\u003e\u003cstrong\u003eThe only way to know if you need this is a blood test.\u003c\/strong\u003e It's a cheap, ordinary test your doctor can add to routine bloodwork, and it turns this from a guess into a decision. If you're low, correcting it is worthwhile and this dose will do it. If you're already sufficient, taking more does not make bones stronger or immunity better — it just raises a number that was already fine. We'd rather you spend $20 on the test than $19.90 on a bottle you don't need.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band forest\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cdiv class=\"flag\"\u003e\n    \u003cdiv class=\"m\"\u003e!\u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"eyebrow\"\u003eBefore you buy\u003c\/p\u003e\n      \u003ch2\u003eWho should skip this one.\u003c\/h2\u003e\n      \u003cp\u003e\u003cstrong\u003eVitamin D is fat-soluble, which means it accumulates.\u003c\/strong\u003e Unlike vitamin C, your body doesn't flush the excess. Sustained high intake raises blood calcium, and that is the real risk with this vitamin — nausea, weakness, frequent urination, kidney stones and kidney damage at the far end. The tolerable upper limit for adults is \u003cstrong\u003e4,000 IU a day from all sources\u003c\/strong\u003e. This bottle is 2,000.\u003c\/p\u003e\n      \u003cp\u003eTalk to your doctor before taking this if you:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHave high blood calcium, hyperparathyroidism, or sarcoidosis\u003c\/strong\u003e — these conditions change how your body handles vitamin D entirely.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHave kidney disease or a history of kidney stones\u003c\/strong\u003e — the calcium effect matters more for you.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTake thiazide diuretics, digoxin, or steroid medication\u003c\/strong\u003e — all interact with vitamin D or calcium handling.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTake a statin, orlistat, or a bile acid sequestrant\u003c\/strong\u003e — these can affect absorption in either direction.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAre pregnant, nursing, or under 18\u003c\/strong\u003e — get a dose recommendation rather than guessing.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cdiv class=\"alert\" style=\"margin-top:1.2rem\"\u003e\n        \u003cb class=\"h\"\u003eContains gelatin, soy and corn.\u003c\/b\u003e\n        \u003cp\u003eNot suitable for vegans or vegetarians. Not suitable if you avoid soy. Worth saying twice, because it's the kind of thing people find out after the bottle arrives.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band cream\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"eyebrow\"\u003eStraight answers\u003c\/p\u003e\n  \u003ch2\u003eVitamin D questions, answered.\u003c\/h2\u003e\n  \u003cdiv class=\"cards\"\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eIs 2,000 IU too much?\u003c\/p\u003e\n      \u003cp\u003eNo. It's above the 600 IU RDA and at half the 4,000 IU upper limit — a common, well-tolerated supplemental dose, and the one used in the big VITAL trial. Just count anything else you take that contains D.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eThen why bother, if VITAL was negative?\u003c\/p\u003e\n      \u003cp\u003eFair question and we'd rather answer it than dodge it. VITAL tested whether extra vitamin D helps \u003cem\u003egenerally healthy, mostly sufficient\u003c\/em\u003e adults avoid cancer and heart disease. It didn't. That is a different question from whether correcting an actual deficiency is worthwhile — it is. This is a supplement for people who are short, not a shield for people who aren't.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eCan't I just get it from the sun?\u003c\/p\u003e\n      \u003cp\u003eOften, yes — that's the primary source for most people. But synthesis depends on latitude, season, time of day, skin tone, age and how much skin is exposed. Above roughly 37° north, winter sunlight is too weak for meaningful production regardless of how long you stand in it.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eD3 or D2?\u003c\/p\u003e\n      \u003cp\u003eD3. It's the form your own skin produces and it raises and sustains blood levels more effectively than D2. D2 is typically the plant\/fungal-derived form used in vegan products and in some prescriptions.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eIs there a vegan version?\u003c\/p\u003e\n      \u003cp\u003eNot this one — it's gelatin. Vegan D3 is made from lichen and is widely available. We'd rather tell you that than have you find out from the ingredient panel.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"faq\"\u003e\n\u003cp class=\"q\"\u003eShould I take vitamin K2 with it?\u003c\/p\u003e\n      \u003cp\u003eYou'll see this recommended constantly. The theory — that K2 directs calcium to bone rather than arteries — is biologically plausible and genuinely interesting. The human outcome evidence is not yet strong enough for us to tell you it's necessary. If you want it, take it; we're not going to pretend it's settled.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection class=\"band white\"\u003e\u003cdiv class=\"in\"\u003e\n  \u003cp class=\"eyebrow\"\u003eOur standard\u003c\/p\u003e\n  \u003ch2\u003eWhy we stock it.\u003c\/h2\u003e\n  \u003cp class=\"kick\"\u003eA single-ingredient, correctly-formed vitamin at a sensible dose — for the specific people who are actually short of it.\u003c\/p\u003e\n  \u003cp class=\"lead\"\u003eThere's nothing clever about this product and that's the point. One active ingredient, the better of the two forms, a dose above the RDA and well under the ceiling. What we won't do is imply it does more than the evidence supports, or let you buy a gelatin softgel without knowing it's gelatin.\u003c\/p\u003e\n  \u003chr class=\"r\"\u003e\n  \u003cp class=\"fine\"\u003e\u003cstrong\u003eSources.\u003c\/strong\u003e \u003ca href=\"https:\/\/ods.od.nih.gov\/factsheets\/VitaminD-HealthProfessional\/\" style=\"text-decoration:underline\"\u003eVitamin D — Health Professional Fact Sheet\u003c\/a\u003e, NIH Office of Dietary Supplements. · Manson J.E. et al., \u003ca href=\"https:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMoa1809944\" style=\"text-decoration:underline\"\u003eVitamin D Supplements and Prevention of Cancer and Cardiovascular Disease\u003c\/a\u003e, \u003cem\u003eN Engl J Med\u003c\/em\u003e 2019;380:33–44. · LeBoff M.S. et al., \u003ca href=\"https:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMoa2202106\" style=\"text-decoration:underline\"\u003eSupplemental Vitamin D and Incident Fractures in Midlife and Older Adults\u003c\/a\u003e, \u003cem\u003eN Engl J Med\u003c\/em\u003e 2022;387:299–309.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n","brand":"My Supplement Boost","offers":[{"title":"Default Title","offer_id":48607514788081,"sku":"RLC3VTD3","price":19.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/0856\/3441\/files\/1787157711667-generated-label-image-0.jpg?v=1787157834","url":"https:\/\/mysupplementboost.com\/products\/vitamin-d3-2-000-iu-1","provider":"My Supplement Boost","version":"1.0","type":"link"}