Which is the cheapest vitamin D?

Vitamina D3-4000 UI – Alta Concentración – Cura de 6 Meses | Defensas - Inmunidad y Salud Ósea - 365 Comprimidos - Bienestar Diario Para Todo El Año Con Vitaminas y Minerales - Vitavea from Amazon, at €0.022/capsule (365 capsules pack for 8,18 €). It sits at verification level 1 out of 4. Cheap is not the same as well scored: price is 35 % of the mark and most of the rest is how verifiable its certification is.

How much does a capsule of vitamin D cost?

Between €0.022/capsule and €0.633/capsule across the 12 stores compared, with a median of €0.128/capsule. That is the price per capsule, not per pack: two tubs at the same price can cost twice as much as each other depending on what is inside.

What certification should vitamin D have?

Of the 137 products compared, 0 reach level 4 (the certification is backed by a third party: either we checked it with the body that issues it, or the product carries in its name a trademark that requires a third party behind it, such as Creapure or IFOS) and 0 reach level 3 (a lab report published by the brand itself). The remaining 137 stop at a certification claimed on the product page, or none at all. Only level 4 is checked against whoever issues the certification.

Home / Vitamin D

Which vitamin D should you buy · data from October 15, 2026

The best vitamin D of 2026

Made by the skin in sunlight, which is why people who spend the day indoors lack it. Involved in bones, muscles and immunity. Watch the units: micrograms or IU.

from €0.022/capsulemedian €0.128up to €0.633/capsule

What vitamin D does, at what dose and on what evidence

† Some links are affiliate links — they do not change the ranking

Some store links are affiliate links: if you buy through them, this site may earn a commission at no extra cost to you. It changes nothing in the ranking: the score is computed beforehand and without reading those links, and products with no affiliate programme appear exactly the same. How it is calculated.

Nothing is claimed about the formula in this category. None of these stores publishes how much active ingredient each dose carries, so the score comes from the price per capsule and the verification level, and nobody appears here as well or badly dosed: we do not have the data and we do not make it up.

Cheapest per 1,000 IU

HSN Essential Series Vitamina D3 50000UI 60 perlas

€0.179/capsuleNo third-party seal

€0.004 per 1,000 IU: the cheapest of those that meet the category's requirements and are not underdosed.

At HSN · see how its score breaks down

Best value for moneyOur pick

Vitamina D3-4000 UI · 365 comprimidos

€0.022/capsuleNo third-party seal

Score 82 out of 100: the highest mark, with 35 % of the weight on price per capsule.

At Amazon · see how its score breaks down

Full comparison

137

products compared

from €0.022 to €0.633

per capsule

at verified level 4

Filter and sort

SearchStoreMax €/capsuleSort by

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Products sorted by score (recommended)
#	Product	Store
01	Vitamina D3-4000 UI · 365 comprimidosBest value	Amazonfree delivery from €35	€8.18	€0.022 /capsule€0.006 /1,000 IU	82
02	Vitamina D3 4000 UI Alto contenido · 400 comprimidos	Amazonfree delivery from €35	€9.99	€0.025 /capsule€0.006 /1,000 IU	78
03	Vitamina D3 4000 UI · 365 comprimidos	Amazonfree delivery from €35	€10.90	€0.030 /capsule€0.007 /1,000 IU	73
04	Nutravita Vitamina D3 4000 UI con 400 Comprimidos Softgel de Alta Dosis	Amazonfree delivery from €35	€14.99	€0.037 /capsule€0.009 /1,000 IU	67
05	Vitamina D3 4000 UI - 400 Comprimidos (Suministro para +1 Año)	Amazonfree delivery from €35	€14.99	€0.037 /capsule€0.009 /1,000 IU	67
06	Vitamina D3 4000UI, 400 Comprimidos, +1 año de Suministro	Amazonfree delivery from €35	€15.15	€0.038 /capsule€0.009 /1,000 IU	67
07	HSN Essential Series Vitamina D3 4000UI 120 perlas4.8 (1222) · 2/2 requirements	HSN+€3.99 delivery	€5.64	€0.047 /capsule€0.012 /1,000 IU	65
08	Bandini Bandini® Vitamina D 60.000 UI/mes 200 comprimidos (+6 Meses)	Amazonfree delivery from €35	€6.55	€0.033 /capsule	64
09	Vitamina D3 4000 UI · 365 cápsulas	Amazonfree delivery from €35	€16.97	€0.046 /capsule€0.012 /1,000 IU	63
10	Hivital Foods Hivital Vitamina D3 4000 UI 300 perlas4.7 (11) · 2/2 requirements	PromoFarma	€15.89	€0.053 /capsule€0.013 /1,000 IU	63
11	Vitamina D3 2000 UI Alta Potencia · 400 comprimidos	Amazonfree delivery from €35	€9.49	€0.024 /capsule€0.012 /1,000 IU	63
12	Vitamina D3 2000 UI · 365 tabletas	Amazonfree delivery from €35	€8.99	€0.025 /capsule€0.012 /1,000 IU	62
13	Vitamina D3 4000 UI · 500 comprimidos	Amazonfree delivery from €35	€24.97	€0.050 /capsule€0.013 /1,000 IU	62
14	vit4ever Vitamina D3 2000 UI - 365 Comprimidos - 50 µg de Colecalciferol	Amazonfree delivery from €35	€10.18	€0.028 /capsule€0.014 /1,000 IU	61
15	Vitamina D3 [ 4000 UI ] · 365 cápsulas	Amazonfree delivery from €35	€20.79	€0.057 /capsule€0.014 /1,000 IU	60
16	Zumub Vitamina D-3 50 µg 120 softgels4.5 (544) · 2/2 requirementspricey now	Zumub+€2.99 delivery	€3.99	€0.033 /capsule€0.017 /1,000 IU	60
17	Vitamina D3 2000UI · 400 tabletas	Amazonfree delivery from €35	€11.99	€0.030 /capsule€0.015 /1,000 IU	60
18	Vitamina D3 4000 UI. 300 perlas para 10 meses de tratamiento.	Amazonfree delivery from €35	€17.87	€0.060 /capsule€0.015 /1,000 IU	60
19	Vitamina D3 y K2 MK7 4000 UI · 270 cápsulas	Amazonfree delivery from €35	€16.11	€0.060 /capsule€0.015 /1,000 IU	60
20	Vitamina D · 365 Cápsulas de vitamina D3 K2	Amazonfree delivery from €35	€21.99	€0.060 /capsule€0.015 /1,000 IU	60
21	HSN Essential Series Vitamina D3 2000UI 120 perlas4.8 (252) · 2/2 requirements	HSN+€3.99 delivery	€4.50	€0.037 /capsule€0.019 /1,000 IU	59
22	A.Vogel Urticalcin Vitamina D 600 Comprimidos5.0 (1) · 1/2 requirements	DosFarma+€3.99 delivery	€21.99	€0.037 /capsule	59
23	Vitamina D3 4000 UI de HSN · 120 perlas	Amazonfree delivery from €35	€7.90	€0.066 /capsule€0.017 /1,000 IU	58
24	Vitamina D · 150 Cápsulas de vitamina D3 K2	Amazonfree delivery from €35	€9.98	€0.067 /capsule€0.017 /1,000 IU	58
25	Bandini Bandini® Vitamina D3 K2 365 Comprimidos 30000 UI al mes	Amazonfree delivery from €35	€17.90	€0.049 /capsule	58
26	HSN Essential Series Vitamina D3 5000UI 120 perlas4.9 (199) · 2/2 requirements	HSN+€3.99 delivery	€7.92	€0.066 /capsule€0.013 /1,000 IU	57
27	HSN Essential Series Vitamina D3 1000UI 120 perlas4.8 (295) · 2/2 requirements	HSN+€3.99 delivery	€2.79	€0.023 /capsule€0.023 /1,000 IU	57
28	NOW Foods Vitamina D-3 2000 UI 120 cápsulas blandas5.0 (29) · 2/2 requirements	Zumub+€2.99 delivery	€5.76	€0.048 /capsule€0.024 /1,000 IU	57
	NOW Foods Vitamina D-3 2000 UI 240 cápsulas blandas5.0 (29) · 2/2 requirements	Zumub+€2.99 delivery	€12.99	€0.054 /capsule€0.027 /1,000 IU	56
29	Bandini Bandini® Vitamina D3 Natural 365 Cápsulas Blandas Suministro de	Amazonfree delivery from €35	€19.90	€0.055 /capsule	57
30	Balasense Vitamina D3 4000 UI 90 Cápsulas Blandas4.0 (6) · 2/2 requirements	DosFarma+€3.99 delivery	€7.99	€0.089 /capsule€0.022 /1,000 IU	57
31	Vbyotics Vitamina D3 4000Ui 180 caps · 2/2 requirements	PromoFarma	€18.19	€0.101 /capsule€0.025 /1,000 IU	56
32	Vitamina D · 365 Cápsulas de vitamina D3 K2	Amazonfree delivery from €35	€21.51	€0.059 /capsule€0.012 /1,000 IU	56
33	Vitamina D3 y K2 2000 UI + 200 µg · 365 comprimidos	Amazonfree delivery from €35	€15.99	€0.044 /capsule€0.022 /1,000 IU	55
34	Vitamina D3 1000 UI · 365 tabletas	Amazonfree delivery from €35	€8.39	€0.023 /capsule€0.023 /1,000 IU	55
35	HSN Vitamina D3 5000 UI · 120 perlas	Amazonfree delivery from €35	€7.90	€0.066 /capsule€0.013 /1,000 IU	55
36	PLAMECA Vitamina D3 4000 UI Defensas · 90 cápsulas	Amazonfree delivery from €35	€8.90	€0.099 /capsule€0.025 /1,000 IU	54
37	Weider Vitamin D3/k2 120 Caps · 2/2 requirements	Bulevipfree delivery from €40	€9.99	€0.083 /capsule	54
38	Vitobest Vitamin D3 4000 · 2/2 requirements	VitOBestfree delivery from €30	€9.63	€0.096 /capsule	54
39	Vitamina D3 2000 UI · 365 cápsulas	Amazonfree delivery from €35	€19.75	€0.054 /capsule€0.027 /1,000 IU	54
40	Zumub Vitamina D-3 50µg Profesional 240 softgels (2x 120)4.5 (12) · 2/2 requirements	Zumub+€2.99 delivery	€17.59	€0.073 /capsule€0.037 /1,000 IU	54
	Zumub Vitamina D-3 50µg Profesional 120 softgels4.5 (12) · 2/2 requirements	Zumub+€2.99 delivery	€10.99	€0.092 /capsule€0.046 /1,000 IU	53
41	Soria Natural Vitamina D3 Liberación Sostenida 150 Comprimidos · 2/2 requirements	DosFarma+€3.99 delivery	€17.06	€0.114 /capsule	53
42	ESN Vitamina D3, 120 cápsulas	Amazonfree delivery from €35	€9.90	€0.083 /capsule	53
43	Vitamina D3 + K2 4000 UI + 100 µg MK-7 · 150 cápsulas	Amazonfree delivery from €35	€17.97	€0.120 /capsule€0.030 /1,000 IU	53
44	Zumub Vitamina D-3 + K2 60 comprimidos4.5 (37) · 1/2 requirements	Zumub+€2.99 delivery	€3.49	€0.058 /capsule	53
45	Vitamaze Vitamina D3 20000 UI Depot 180 Comprimidos · 2/2 requirements	DosFarma+€3.99 delivery	€22.99	€0.128 /capsule€0.006 /1,000 IU	53
46	Vitamina D3 y K2 · 240 comprimidos	Amazonfree delivery from €35	€15.19	€0.063 /capsule€0.032 /1,000 IU	53
47	Supradyn Expert Vitamina D3 2000 UI, 365 Comprimidos	Amazonfree delivery from €35	€22.96	€0.063 /capsule€0.032 /1,000 IU	53
48	Vitamina D3 4000UI Drasanvi en 90 Comprimidos Diarios Vegano	Amazonfree delivery from €35	€11.90	€0.132 /capsule€0.033 /1,000 IU	52
49	Healthy Origins Healthy Origins · 360 cápsulas	Amazonfree delivery from €35	€34.74	€0.097 /capsule€0.010 /1,000 IU	52
50	Life Pro VITAMINA D3 2000UI 90 PERLAS4.6 (5) · 2/2 requirements	Life Pro+€6.05 delivery	€9.00	€0.100 /capsule€0.050 /1,000 IU	52
51	HSN Vitamina D3 Vegana 4000 IU · 120 cápsulas	Amazonfree delivery from €35	€16.90	€0.141 /capsule€0.035 /1,000 IU	52
52	Essentialis Vitamina D3+K2 4000UI y K2 100mcg, 60 comprimidos	Amazonfree delivery from €35	€8.59	€0.143 /capsule€0.036 /1,000 IU	52
53	Vitamina D3 y K2 (5000 UI Vitamina D3 + · 180 comprimidos	Amazonfree delivery from €35	€18.97	€0.105 /capsule€0.021 /1,000 IU	52
54	HSN Essential Series Vitamina D3 50000UI 60 perlas4.8 (140) · 2/2 requirements	HSN+€3.99 delivery	€10.77	€0.179 /capsule€0.004 /1,000 IU	52
55	Myvitamins Vitamina D3 y Curcumina Cápsulas 180Cápsulas5.0 (3) · 2/2 requirements	Myprotein+€5.99 delivery	€31.99	€0.178 /capsule	52
	Myvitamins Vitamina D3 y Curcumina Cápsulas 60Cápsulas5.0 (3) · 2/2 requirements	Myprotein+€5.99 delivery	€13.99	€0.233 /capsule	51
56	Lamberts Vitamina D3 4000 UI (100µg) 120 Cápsulas5.0 (2) · 2/2 requirements	DosFarma+€3.99 delivery	€29.88	€0.249 /capsule€0.062 /1,000 IU	52
57	Vitamina D3 y K2 Alta Dosis 5000 UI – 180 Cápsulas	Amazonfree delivery from €35	€19.99	€0.111 /capsule€0.022 /1,000 IU	52
58	Holland & Barrett Ácido Fólico 400 µg y Vitamina D3 - 90 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€12.99	€0.144 /capsule	52
59	Nutravita Vitamina D3 1000 UI · 365 cápsulas	Amazonfree delivery from €35	€14.99	€0.041 /capsule€0.041 /1,000 IU	51
60	MoriVeda Vitamina D3 + K2 MK7 vegana con 7000 UI de D3 y · 90 cápsulas	Amazonfree delivery from €35	€10.49	€0.117 /capsule	51
61	Vitaldiet Vitamina D3 2000 IU 120 cápsulas · 2/2 requirements	DosFarma+€3.99 delivery	€16.99	€0.142 /capsule€0.071 /1,000 IU	51
62	Vitamina D3 4000 UI & K2 200mcg MK-7, 120 Cápsulas - Wellium	Amazonfree delivery from €35	€19.90	€0.166 /capsule€0.042 /1,000 IU	51
63	Natysal Vitamina D3 4000 UI 30 caps · 2/2 requirements	PromoFarma	€8.99	€0.300 /capsule€0.075 /1,000 IU	51
64	Vitamina D3 y K2 Alta Dosis 5000 UI – 120 Cápsulas Veganas	Amazonfree delivery from €35	€14.99	€0.125 /capsule€0.025 /1,000 IU	51
65	vit4ever Vitamina D3 10.000 UI + Vitamina K2 200 µg · 180 comprimidos	Amazonfree delivery from €35	€22.99	€0.128 /capsule€0.013 /1,000 IU	51
66	Holland & Barrett Vitamina D 4000 UI 100ug - 120 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€28.49	€0.237 /capsule€0.059 /1,000 IU	51
67	INME VITAMINA D3 4000 UI 120 CAPSULAS	Amazonfree delivery from €35	€21.90	€0.182 /capsule€0.046 /1,000 IU	51
68	Bamboo Labs Vitamina D3 y K2 + Vitamina C · 120 cápsulas	Amazonfree delivery from €35	€21.95	€0.183 /capsule€0.046 /1,000 IU	51
69	Now Foods VITAMIN D3 5000 IU · 120 cápsulas	Amazonfree delivery from €35	€16.10	€0.134 /capsule€0.027 /1,000 IU	51
70	Solaray Vitamina D3 K2 120 Vegcaps · 2/2 requirements	Bulevipfree delivery from €40	€31.11	€0.259 /capsule	51
71	Vitamina D3 y K2. Vitamina D3 5000 ui + Vitamina K2 MK7 200 μg	Amazonfree delivery from €35	€20.95	€0.140 /capsule€0.028 /1,000 IU	51
72	Nutricost Vitamina K2 (MK7) (100 mcg) + Vitamina D3 (5000 UI) 120	Amazonfree delivery from €35	€16.95	€0.141 /capsule€0.028 /1,000 IU	51
73	Vitamina D3 + K2 en dosis altas · 200 comprimidos	Amazonfree delivery from €35	€19.99	€0.100 /capsule€0.050 /1,000 IU	50
74	Nature's Bounty Vitamina D3 25mcg 1000 Ui 100 Comprimidos · 2/2 requirements	DosFarma+€3.99 delivery	€9.99	€0.100 /capsule€0.100 /1,000 IU	50
75	Solgar Vitamina D3 (Colecalciferol) 15 µg · 60 cápsulas	Amazonfree delivery from €35	€8.51	€0.142 /capsule	50
76	Holland & Barrett Vitamina D 3000 UI 75ug - 120 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€24.99	€0.208 /capsule€0.069 /1,000 IU	50
77	Vitamina D3 2000 UI + K2 MK-7 150 µg · 200 cápsulas	Amazonfree delivery from €35	€20.97	€0.105 /capsule€0.052 /1,000 IU	50
78	Life Pro VITAMIN D3 2000UI 90 SOFTGELS	Tienda Culturista+€6.05 delivery	€9.90	€0.110 /capsule€0.055 /1,000 IU	50
79	YNSADIET Vitamina D3, Vitamina K2 - Silicio Orgánico - 90 Cápsulas	Amazonfree delivery from €35	€14.00	€0.156 /capsule	50
80	Vitamina D3 y K2 con Aceite de Oliva Virgen · 180 cápsulas	Amazonfree delivery from €35	€20.79	€0.115 /capsule€0.058 /1,000 IU	50
81	Life Pro Vitamina D3 + K2 MK7 90 Capsulas	Amazonfree delivery from €35	€14.72	€0.164 /capsule	50
82	Vitobest Liposomal Vitamin D3+K2 · 2/2 requirements	VitOBestfree delivery from €30	€23.40	€0.390 /capsule	50
83	Lamberts Vitamina D3 4000 UI (100 µg) · 120 cápsulas	Amazonfree delivery from €35	€28.12	€0.234 /capsule€0.059 /1,000 IU	50
84	Holland & Barrett Vitamina D 400 I.U. - 240 Tabletas 120 Tablets · 2/2 requirements	Holland & Barrett+€4.99 delivery	€8.99	€0.037 /capsule€0.094 /1,000 IU	50
	Holland & Barrett Vitamina D 400 I.U. - 240 Tabletas 240 Tablets · 2/2 requirements	Holland & Barrett+€4.99 delivery	€14.99	€0.062 /capsule€0.156 /1,000 IU	49
85	HSN Vitamina D3 Liposomada Vegetariana (lanolina) · 120 cápsulas	Amazonfree delivery from €35	€14.49	€0.121 /capsule€0.060 /1,000 IU	50
86	EPAPLUS Nutrabits Vitamina D3 + K2 para Huesos y Defensas, 90 Cápsulas	Amazonfree delivery from €35	€15.87	€0.176 /capsule	50
87	Holland & Barrett Vitamina D 3000 I.U. 75ug Vegana - 90 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€24.99	€0.278 /capsule€0.093 /1,000 IU	50
88	Solgar Vitamina D3 4000 UI (100 µg) · 120 cápsulas	Amazonfree delivery from €35	€31.69	€0.264 /capsule€0.066 /1,000 IU	50
89	Lamberts Vitamina D3 2000 Ui+K2 90 mcg 90 caps5.0 (1) · 2/2 requirements	PromoFarma	€33.70	€0.374 /capsule€0.187 /1,000 IU	50
90	Solaray Vitamina D3 400 UI 120 Perlas5.0 (1) · 2/2 requirements	DosFarma+€3.99 delivery	€10.99	€0.092 /capsule€0.229 /1,000 IU	49
91	Life Pro VEGAN VITAMIN D 4000UI 90 VEGANCAPS	Tienda Culturista+€6.05 delivery	€23.90	€0.266 /capsule€0.066 /1,000 IU	49
92	Solgar Vitamina D3 4000 UI, Aroma Vainilla, 60 Unidades (Paquete de 1)	Amazonfree delivery from €35	€16.19	€0.270 /capsule€0.068 /1,000 IU	49
93	fairvital Vitamina D3 + K2 · 90 cápsulas	Amazonfree delivery from €35	€17.95	€0.199 /capsule	49
94	Solgar Vitamina D3 1000 UI - 100 Cápsulas Blandas · 2/2 requirements	Holland & Barrett+€4.99 delivery	€23.99	€0.240 /capsule€0.240 /1,000 IU	49
95	Solgar Vitamina D3 2200 UI 55mcg 50 Cápsulas Vegetales3.0 (1) · 2/2 requirements	DosFarma+€3.99 delivery	€17.99	€0.360 /capsule€0.164 /1,000 IU	49
96	HSN Vitamina D3 Vegana 1000 IU · 120 cápsulas	Amazonfree delivery from €35	€8.90	€0.074 /capsule€0.074 /1,000 IU	49
97	Vitamina D3 4000 UI + K2 MK-7 Liposomada 60 Cápsulas	Amazonfree delivery from €35	€17.90	€0.298 /capsule€0.075 /1,000 IU	49
98	HSN Vitamina D3 + K2 Vegana (2000UI + 100mcg) · 120 cápsulas	Amazonfree delivery from €35	€19.00	€0.158 /capsule€0.079 /1,000 IU	49
99	Solgar Vitamina D3 2200 UI - 100 Cápsulas Vegetales · 2/2 requirements	Holland & Barrettfree delivery	€35.99	€0.360 /capsule€0.164 /1,000 IU	49
100	Nature's Bounty Vitamina D3 1000 UI · 100 comprimidos	Amazonfree delivery from €35	€8.95	€0.089 /capsule€0.089 /1,000 IU	49
101	WeBotanix · Fórmula Vitamina D3 y K2 4000 UI con · 60 cápsulas	Amazonfree delivery from €35	€21.55	€0.359 /capsule€0.090 /1,000 IU	49
102	Fepadiet Fepa Vitamina D3 Liposomada 400 Ui 40 caps · 2/2 requirements	PromoFarma	€17.84	€0.446 /capsule€1.11 /1,000 IU	49
103	Holland & Barrett Vitamina D3 400 UI 10ug - 90 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€7.99	€0.089 /capsule€0.222 /1,000 IU	49
104	Solgar Vitamina D3 2200 UI (55 µg) · 50 cápsulas	Amazonfree delivery from €35	€11.11	€0.222 /capsule€0.101 /1,000 IU	48
105	Solgar Vitamina D3 Colecalciferol 2200 UI (55 μg) · 50 cápsulas · 2/2 requirements	Holland & Barrett+€4.99 delivery	€27.99	€0.560 /capsule€0.255 /1,000 IU	48
106	Lamberts Vitamina D3 2000 UI (50 µg) · 120 cápsulas	Amazonfree delivery from €35	€26.71	€0.223 /capsule€0.111 /1,000 IU	48
107	Vitamina D3 y K2 10000UI · 60 uds	Amazonfree delivery from €35	€19.62	€0.327 /capsule€0.033 /1,000 IU	48
108	Vitamina D3 · 2000 UI (50 µg) · 60 cápsulas	Amazonfree delivery from €35	€16.99	€0.283 /capsule€0.142 /1,000 IU	48
109	Lamberts Vitamina D3 1000 UI (25 µg) · 120 cápsulas	Amazonfree delivery from €35	€18.99	€0.158 /capsule€0.158 /1,000 IU	48
110	iO.GENIX Vitamin D3+K2 Liposomal	iO.GENIXfree delivery from €49	€27.86	€0.464 /capsule	48
111	Tres60 Vitamina D3 + K2 + Magnesio · 60 cápsulas	Amazonfree delivery from €35	€23.90	€0.398 /capsule€0.199 /1,000 IU	48
112	Vitamina D3 y K2 MK7 All-Trans · 120 cápsulas	Amazonfree delivery from €35	€24.99	€0.208 /capsule€0.208 /1,000 IU	47
113	Holland & Barrett Vitamina D 25µg Alta Potencia Sabor Lima Limón · 20 comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€7.99	€0.400 /capsule€0.400 /1,000 IU	47
114	Life Pro VEGAN VITAMINA D 4000UI 90 VEGANCAPS4.6 (8) · 1/2 requirements	Life Pro+€6.05 delivery	€21.73	€0.241 /capsule€0.060 /1,000 IU	47
115	Amix GreenDay Vitamina D 2500 I.U 90 Caps4.7 (3) · 1/2 requirements	Bulevipfree delivery from €40	€14.30	€0.159 /capsule€0.064 /1,000 IU	47
116	Nutilab Vitamina D3 250 mg 60 caps · 1/2 requirements	PromoFarma	€11.98	€0.200 /capsule	46
117	Amix Vitamin D 4000 I.U. 90 caps5.0 (2) · 1/2 requirements	Bulevipfree delivery from €40	€25.70	€0.286 /capsule€0.071 /1,000 IU	46
118	Prescription Nature Zinc Vitamina D3 60 caps2.0 (1) · 1/2 requirements	PromoFarma	€10.42	€0.174 /capsule	46
119	Santiveri Vitamina D3 60 Comprimidos · 1/2 requirements	DosFarma+€3.99 delivery	€11.99	€0.200 /capsule	46
120	Mederi Nutricion Integrativa Vitamina D3 + K2 120 Perlas · 1/2 requirements	Bulevipfree delivery from €40	€27.58	€0.230 /capsule	46
121	Vecos Nucoceutical Vecos Nutraceúticals Vitamina D3 + K2 60 caps5.0 (1) · 1/2 requirements	PromoFarma	€14.89	€0.248 /capsule	46
122	Arkopharma Arkocaps Vitamina D3 45 caps · 1/2 requirementspricey now	PromoFarma	€11.27	€0.250 /capsule	46
123	Natysal Vitamina D3 30 Cápsulas · 1/2 requirements	DosFarma+€3.99 delivery	€7.99	€0.266 /capsule	46
124	Méderi Mederi Vitamina D3 + K2 120 Perlas4.0 (1) · 1/2 requirements	PromoFarma	€31.74	€0.265 /capsule	45
125	Natysal Colágeno Hidrolizado Con Silicio y Vitamina D3 60 Comprimidos · 1/2 requirements	DosFarma+€3.99 delivery	€16.99	€0.283 /capsule	45
126	Lamberts Omega 3,6,9 1200mg más Vitamina D3 120 Cápsulas5.0 (1) · 1/2 requirements	DosFarma+€3.99 delivery	€39.96	€0.333 /capsule	45
127	Biover Bhealthy Vitamina D3 Plus 45caps · 1/2 requirements	PromoFarma	€16.84	€0.374 /capsule	45
128	Pharma Nord ActiveComplex® Vitamina D 40 mcg. 80 Perlas5.0 (1) · 1/2 requirements	DosFarma+€3.99 delivery	€19.99	€0.250 /capsule€0.156 /1,000 IU	45
129	Casen Recordati Casenbiotic Vitamina D 30 Comprimidos Masticables · 1/2 requirementslowest seen	DosFarma+€3.99 delivery	€18.99	€0.633 /capsule	44
130	KAL Rex Vitamin D 400 Ui 90 caps · 1/2 requirements	PromoFarma	€13.89	€0.154 /capsule€0.386 /1,000 IU	44
131	Natural Force Calcium Magnesium Zinc Vitamina D 90caps5.0 (1) · 0/2 requirements	PromoFarma	€13.49	€0.150 /capsule	42
132	BLUECUBE Vitamina D 2000 60 caps5.0 (2) · 0/2 requirements	PromoFarma	€10.47	€0.175 /capsule	42
133	ESI Vitamina D 30 Tabletas4.0 (1) · 0/2 requirements	PromoFarma	€6.99	€0.233 /capsule	41

137 products in this table

Out of stock right now (6), left out of the table until they are back: Zumub Vitamina D-3 50 µg 240 softgels (2x 120) - Opportunity, Zumub Vitamina D-3 50 µg 240 softgels (2x 120), Zumub Vitamina D-3 + K2 180 comprimidos (3x 60), Zumub Vitamina D-3 + K2 120 comprimidos (2x 60), HSN Essential Series Vitamina D3 50000UI 30 perlas, Solgar Vitamina D3 400 UI - 100 cápsulas blandas.

What you are looking at. The score is 35 % price per capsule against the cheapest in the category, 35 % verifiable quality (certification, purity and additives), 20 % the category's own requirements and 10 % the buyers' rating at the store. Every product explains its mark line by line on its own page. How it is calculated.

Questions about vitamin D

Answered with the data on this page

Which vitamin D should you buy?: Vitamina D3-4000 UI – Alta Concentración – Cura de 6 Meses | Defensas - Inmunidad y Salud Ósea - 365 Comprimidos - Bienestar Diario Para Todo El Año Con Vitaminas y Minerales - Vitavea from Amazon, with 82 points out of 100 at €0.022/capsule. The mark is 35 % price against the cheapest in the category, 35 % verifiable quality (certification, purity and additives), 20 % the category's own requirements and 10 % the buyers' rating at the store, and no commercial deal moves the ranking.
Which is the cheapest vitamin D?: Vitamina D3-4000 UI – Alta Concentración – Cura de 6 Meses | Defensas - Inmunidad y Salud Ósea - 365 Comprimidos - Bienestar Diario Para Todo El Año Con Vitaminas y Minerales - Vitavea from Amazon, at €0.022/capsule (365 capsules pack for 8,18 €). It sits at verification level 1 out of 4. Cheap is not the same as well scored: price is 35 % of the mark and most of the rest is how verifiable its certification is.
How much does a capsule of vitamin D cost?: Between €0.022/capsule and €0.633/capsule across the 12 stores compared, with a median of €0.128/capsule. That is the price per capsule, not per pack: two tubs at the same price can cost twice as much as each other depending on what is inside.
What certification should vitamin D have?: Of the 137 products compared, 0 reach level 4 (the certification is backed by a third party: either we checked it with the body that issues it, or the product carries in its name a trademark that requires a third party behind it, such as Creapure or IFOS) and 0 reach level 3 (a lab report published by the brand itself). The remaining 137 stop at a certification claimed on the product page, or none at all. Only level 4 is checked against whoever issues the certification.

More specific questions about vitamin D9 comparisons — the same table, filtered

La mejor vitamina D de Amazon71 prod.La mejor vitamina D de DosFarma15 prod.La mejor vitamina D de Holland & Barrett11 prod.La mejor vitamina D de PromoFarma15 prod.La mejor vitamina D de Zumub6 prod.La mejor vitamina D barata69 prod.Amazon or DosFarma for vitamin D86 prod.Amazon or PromoFarma for vitamin D86 prod.DosFarma or PromoFarma for vitamin D30 prod.

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The raw data. This ranking is also available as JSON, with the collection date and a link to each product page. It can be cited and reused as long as you say where it comes from and which day the prices are from.