Which is the cheapest vitamin C?

Vitamina C 1000mg - 365 cápsulas - Suave para el estómago y sin ácido - Refuerza el sistema inmunitario y el metabolismo energético - Probado en laboratorio from Amazon, at €0.041/capsule (365 capsules pack for 14,99 €). 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 C cost?

Between €0.041/capsule and €0.833/capsule across the 11 stores compared, with a median of €0.156/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 C have?

Of the 127 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 127 stop at a certification claimed on the product page, or none at all. Only level 4 is checked against whoever issues the certification.

How much vitamin C should you take a day?

The reference dose this site uses for vitamin C is 80 mg a day, with strong evidence. Source: Reglamento (UE) 1169/2011 sobre la informacion alimentaria facilitada al consumidor, Anexo XIII: valores de referencia de nutrientes. Vitamina C, 80 mg. Es un valor de ETIQUETADO, no una dosis con efecto demostrado: mide cuanto cubre una capsula de lo que se considera la ingesta de referencia diaria.. That is the dose of the ingredient in the study cited, not a recommendation for you nor a claim about any product in the table.

Home / Vitamin C

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

The best vitamin C of 2026

Needed for collagen, immunity and iron absorption. Taking it daily does not prevent colds; it only shortens them a little.

from €0.041/capsulemedian €0.156up to €0.833/capsule

What vitamin C 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.

Cheapest per capsule and best value for money

Vitamina C 1000mg · 365 cápsulas

€0.041/capsuleNo third-party seal

€0.041 per capsule: the cheapest of those that meet the category's requirements and are not underdosed.

Score 80 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

127

products compared

from €0.041 to €0.833

per capsule

at verified level 4

Filter and sort

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Products sorted by score (recommended)
#	Product	Store
01	Vitamina C 1000mg · 365 cápsulasBest value	Amazonfree delivery from €35	€14.99	€0.041 /capsule	80
02	NATURE LOVE NATURE LOVE® Vitamina C Tamponada · 365 cápsulas	Amazonfree delivery from €35	€16.14	€0.044 /capsule	78
03	Vitamina C 1000 mg · 180 comprimidos	Amazonfree delivery from €35	€7.99	€0.044 /capsule	78
04	Vitamina C tamponada · 365 cápsulas	Amazonfree delivery from €35	€16.99	€0.047 /capsule	76
05	Zumub Vitamina C 1000mg 200 comprimidos (4x 50)4.5 (477) · 2/2 requirements	Zumub+€2.99 delivery	€10.97	€0.055 /capsule	73
	Zumub Vitamina C 1000mg 100 comprimidos (2x 50)4.5 (477) · 2/2 requirements	Zumub+€2.99 delivery	€6.00	€0.060 /capsule	71
	Zumub Vitamina C 1000mg 50 comprimidos4.5 (477) · 2/2 requirements	Zumub+€2.99 delivery	€3.10	€0.062 /capsule	70
06	vit4ever Vitamina C Tamponada - 365 Cápsulas - 1000 mg de Vitamina C	Amazonfree delivery from €35	€19.99	€0.055 /capsule	71
07	Vitamina C 1000mg · 180 comprimidos	Amazonfree delivery from €35	€9.97	€0.055 /capsule	71
08	Vitamina C 1000 mg · 180 cápsulas	Amazonfree delivery from €35	€9.99	€0.056 /capsule	71
09	Now Foods Vitamina C + bioflavonoides 1000mg/100mg 500 cápsulas4.8 (44) · 2/2 requirements	HSNfree delivery	€31.97	€0.064 /capsule	70
10	Vitamina C · 37,5 mg de Proantocianidinas · 180 cápsulas	Amazonfree delivery from €35	€11.24	€0.062 /capsule	68
11	Vitamina C 1000mg · 160 comprimidos	Amazonfree delivery from €35	€9.97	€0.062 /capsule	68
12	HSN Essential Series Vitamina C 1000mg + bioflavonoides + rosa mosqueta 120 tabletas4.8 (1008) · 2/2 requirements	HSN+€3.99 delivery	€8.49	€0.071 /capsule	67
13	Hivital Vitamina C 1000mg 240 Comprimidos5.0 (1) · 1/1 requirements	DosFarma+€3.99 delivery	€16.99	€0.071 /capsule	67
14	Vitamina C 1000 mg · 270 comprimidos	Amazonfree delivery from €35	€17.97	€0.067 /capsule	67
15	vit4ever Vitamina C 1000 mg · 2 flavours	Amazonfree delivery from €35	€24.99	€0.068 /capsule	66
16	Sodio 500mg de Pura Vitamina C Tamponada · 120 cápsulas	Amazonfree delivery from €35	€8.40	€0.070 /capsule	66
17	Vitamina C 1000 mg de HSN · 120 cápsulas	Amazonfree delivery from €35	€8.90	€0.074 /capsule	65
18	Sotya Vitamina C Natural Complex 90 Comprimidos4.5 (2) · 1/1 requirementspricey now	Bulevipfree delivery from €40	€7.34	€0.082 /capsule	64
19	Vitamina C 1000 mg · 120 tabletas	Amazonfree delivery from €35	€8.99	€0.075 /capsule	64
20	55.000 mg con Vitamina C 200mg · 180 cápsulas	Amazonfree delivery from €35	€13.49	€0.075 /capsule	64
21	Camu 500mg · Vitamina C natural que contribuye · 180 cápsulas	Amazonfree delivery from €35	€13.59	€0.075 /capsule	64
22	Vitamina C 1000 mg. 240 comprimidos para 8 meses de tratamiento.	Amazonfree delivery from €35	€18.87	€0.079 /capsule	63
23	Bandini Bandini® Vitamina C 1.000 mg 200 Comprimidos	Amazonfree delivery from €35	€15.99	€0.080 /capsule	63
24	Now Foods Vitamina C + rosa mosqueta + bioflavonoides 1000mg/25mg/25mg4.8 (37) · 2/2 requirements	HSN+€3.99 delivery	€9.47	€0.095 /capsule	63
25	Vitamina C 1000 mg · 250 comprimidos	Amazonfree delivery from €35	€20.19	€0.081 /capsule	63
26	HSN Vitamina C 1000mg · 120 tabletas	Amazonfree delivery from €35	€9.70	€0.081 /capsule	63
27	NOW Foods Vitamina C-1000 250 cápsulas veg5.0 (27) · 2/2 requirements	Zumub+€2.99 delivery	€23.50	€0.094 /capsule	63
28	Nutravita Vitamina C 1000 mg con Bioflavonoides y Rosa · 180 comprimidos	Amazonfree delivery from €35	€14.99	€0.083 /capsule	62
29	Vitamina C Acerola · 180 cápsulas	Amazonfree delivery from €35	€14.99	€0.083 /capsule	62
30	Vitamina C 1000 mg Capsulas · 300 capsulas	Amazonfree delivery from €35	€25.99	€0.087 /capsule	62
31	Vitamina C Natural 1.240mg · 240 cápsulas	Amazonfree delivery from €35	€21.74	€0.091 /capsule	61
32	Vitamina C 1000mg con Bioflavonoides y Rosa · 180 comprimidos	Amazonfree delivery from €35	€16.99	€0.094 /capsule	60
33	Holland & Barrett Vitamina C 1000mg Alta Potencia - 240 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€25.99	€0.108 /capsule	60
	Holland & Barrett Vitamina C 1000mg Alta Potencia · 2 flavours · 2/2 requirements	Holland & Barrett+€4.99 delivery	€17.99	€0.150 /capsule	57
	Holland & Barrett Vitamina C 1000mg Alta Potencia - 60 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€11.99	€0.200 /capsule	54
34	NOW Foods Vitamina C-1000 100 cápsulas veganas5.0 (27) · 2/2 requirements	Zumub+€2.99 delivery	€11.50	€0.115 /capsule	60
35	HSN Vitamina C 500 MG de HSN · 120 cápsulas	Amazonfree delivery from €35	€12.40	€0.103 /capsule	59
36	vit4ever Vitamina C Liposomal - 240 Cápsulas - Premium - Alta dosis	Amazonfree delivery from €35	€24.99	€0.104 /capsule	59
37	Vitamina C Liposomal 1000mg · 180 cápsulas	Amazonfree delivery from €35	€18.99	€0.105 /capsule	59
38	Solgar Vitamina C 500 mg · 100 cápsulas	Amazonfree delivery from €35	€10.69	€0.107 /capsule	59
39	Holland & Barrett COMPLEMENTO ALIMENTICIO DE VITAMINA C 1000 mg · 240 comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€29.99	€0.125 /capsule	58
	Holland & Barrett COMPLEMENTO ALIMENTICIO DE VITAMINA C 1000 mg · 120 comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€19.99	€0.167 /capsule	56
40	Life Pro VITAMINA C 1000MG 90 CÁPSULAS4.2 (5) · 1/1 requirements	Life Pro+€6.05 delivery	€11.36	€0.126 /capsule	58
	Life Pro VITAMINA C 1000 MG 90 CÁPSULAS	Tienda Culturista+€6.05 delivery	€12.50	€0.139 /capsule	56
	Life Pro Vitamina C 1000mg 90 caps.	Amazonfree delivery from €35	€15.50	€0.172 /capsule	54
41	Zenement Vitamina C Liposomal 180 Caps · 1/1 requirements	Bulevipfree delivery from €40	€23.97	€0.133 /capsule	58
42	Vitamina C Liposomal 1000mg Con Rosa Mosqueta · 180 cápsulas	Amazonfree delivery from €35	€20.90	€0.116 /capsule	58
43	BioTechUSA Biotech Usa Vitamina C 1000Mg 100tabs · 1/1 requirements	PromoFarma	€13.49	€0.135 /capsule	58
44	Solgar Vitamina C 500mg 100 Cápsulas Vegetales5.0 (2) · 1/1 requirements	DosFarma+€3.99 delivery	€13.99	€0.140 /capsule	57
45	Marnys Vitamina C 1000 mg 60 Cápsulas	Amazonfree delivery from €35	€7.20	€0.120 /capsule	57
46	Vitamina C Liposomal 1200 mg - 200 Cápsulas	Amazonfree delivery from €35	€23.99	€0.120 /capsule	57
47	Vitamina C Liposomal · 120 cápsulas	Amazonfree delivery from €35	€14.93	€0.124 /capsule	57
48	Vitamina C + Bioflavonoides · 120 cápsulas	Amazonfree delivery from €35	€14.99	€0.125 /capsule	57
49	Bandini Vitamin C Bandini® Vitamin C Liposomal 1000mg 180 cápsulas Veganas	Amazonfree delivery from €35	€22.70	€0.126 /capsule	57
50	Vitamina C Liposomal 1000 mg · 180 cápsulas	Amazonfree delivery from €35	€23.97	€0.133 /capsule	56
51	Green Naturals Vitamina C liposomal 1.250 mg – Acerola – 180 cápsulas	Amazonfree delivery from €35	€24.90	€0.138 /capsule	56
52	VITAMINA C 1000 mg con Rosa Canina Ácido · 180 cápsulas	Amazonfree delivery from €35	€24.90	€0.138 /capsule	56
53	Vitamina C Liposomal 1000mg · 180 cápsulas	Amazonfree delivery from €35	€24.99	€0.139 /capsule	56
54	Solgar Vitamina C 1000 mg · 250 cápsulas	Amazonfree delivery	€35.99	€0.144 /capsule	55
55	Solgar Vitamina C 1000mg 250 Cápsulas Vegetales · 1/1 requirements	DosFarma+€3.99 delivery	€44.99	€0.180 /capsule	55
56	Soria Natural Vitamina C Liberación Sostenida 100 Comprimidos · 1/1 requirements	DosFarma+€3.99 delivery	€17.96	€0.180 /capsule	55
57	BIO Vitamina C Natural Vegavero · 180 cápsulas	Amazonfree delivery from €35	€26.90	€0.149 /capsule	55
58	Solaray Vitamina C 1000 Mg 100 Tabletas · 2/2 requirements	Bulevipfree delivery from €40	€18.42	€0.184 /capsule	55
59	Solgar Vitamina C 1000 mg · 100 cápsulas	Amazonfree delivery from €35	€15.57	€0.156 /capsule	54
60	Solaray Vitamina C 1000mg Acción Retardada 100 Comprimidos4.0 (2) · 1/1 requirements	DosFarma+€3.99 delivery	€18.99	€0.190 /capsule	54
61	Relafit Vitamina C Forte 500 mg 30 caps · 1/1 requirements	PromoFarma	€5.99	€0.200 /capsule	54
62	Nutrisante Nutriente Vitamina C 500 mg Masticar 24 tabletas3.0 (2) · 2/2 requirements	PromoFarma	€4.06	€0.169 /capsule	54
63	Nature's Bounty Vitamina C 1000 mg con Escaramujo · 60 comprimidos	Amazonfree delivery from €35	€9.80	€0.163 /capsule	54
64	Vitamina C Liposomal · 120 cápsulas	Amazonfree delivery from €35	€20.90	€0.174 /capsule	53
65	Pinisan Vitamina C 1000 mg 90cáps5.0 (1) · 1/1 requirements	PromoFarma	€19.96	€0.222 /capsule	53
66	Solgar Vitamina C con Escaramujo 1500 mg · 90 comprimidos	Amazonfree delivery from €35	€16.27	€0.181 /capsule	53
67	Vitamina C Liposomal de Alta Absorción con · 90 cápsulas	Amazonfree delivery from €35	€16.93	€0.188 /capsule	53
68	Amix Vitamina C 100 Caps	Amazonfree delivery from €35	€18.90	€0.189 /capsule	53
69	Vitamina C 1000 60 Cápsulas	Amazonfree delivery from €35	€11.44	€0.191 /capsule	53
70	Now Vitamina C 1000mg 100caps · 1/1 requirements	PromoFarma	€26.69	€0.267 /capsule	52
71	BioTechUSA Vitamin C 1000 250 Tabletas4.7 (11) · 0/1 requirements	Bulevipfree delivery from €40	€29.90	€0.120 /capsule	52
	BioTechUSA Vitamin C 1000 100 Tabletas4.5 (28) · 0/1 requirements	Bulevipfree delivery from €40	€15.90	€0.159 /capsule	49
72	Solgar Vitamina C 1500mg con escaramujo - 90 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€29.99	€0.333 /capsule	52
73	HSN Vitamina C Liposomal 500mg Liposovit® · 120 cápsulas	Amazonfree delivery from €35	€24.90	€0.207 /capsule	52
74	Vitamina C 1000 mg · 60 cápsulas	Amazonfree delivery from €35	€12.76	€0.213 /capsule	52
75	Solgar Vitamina C 500 mg · 100 cápsulas	Amazonfree delivery from €35	€21.36	€0.214 /capsule	52
76	Pure Encapsulations Vitamina C 1000 · 90 cápsulas	Amazonfree delivery from €35	€19.99	€0.222 /capsule	52
77	Sura Vitasan Vitamina C 1000mg 60 Comprimidos · 1/1 requirements	DosFarma+€3.99 delivery	€18.99	€0.316 /capsule	51
78	Vitobest Liposomal Vitamin C · 1/1 requirements	VitOBestfree delivery from €30	€19.80	€0.330 /capsule	51
79	Holland & Barrett Vitamina C Suave 1000mg de Alta Potencia - 60 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€19.99	€0.333 /capsule	51
80	Biokygen Imunogood Vitamina C 60caps · 0/1 requirements	PromoFarma	€7.89	€0.132 /capsule	51
81	EPAPLUS Nutrabits Vitamina C 1000 mg, 60 Cápsulas Veganas	Amazonfree delivery from €35	€14.70	€0.245 /capsule	51
82	Holland & Barrett Vitamina C Efervescente de Alta Resistencia · 20 comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€5.99	€0.299 /capsule	51
83	Solgar Arándano Rojo con Vitamina C – 60 Cápsulas vegetales · 2/2 requirements	Holland & Barrett+€4.99 delivery	€28.99	€0.483 /capsule	51
	Solgar Arandano Rojo Con Vitamina C 60 Capsulas Vegetales. · 0/1 requirements	DosFarma+€3.99 delivery	€20.99	€0.350 /capsule	44
84	A.Vogel Vitamin-C Natural 40 Comprimidos5.0 (2) · 1/1 requirements	DosFarma+€3.99 delivery	€15.99	€0.400 /capsule	51
85	Solgar Arándano Rojo con Vitamina C · 60 cápsulas	Amazonfree delivery from €35	€16.24	€0.271 /capsule	50
86	Solgar Quercitina con Ester-C Plus · 100 cápsulas	Amazonfree delivery from €35	€27.49	€0.275 /capsule	50
87	Doctor's Best Vitamina C con Q-C \| 1000mg - 120 cápsulas	Amazonfree delivery from €35	€33.95	€0.283 /capsule	50
88	Mega Plus Vitamina C Competition 60 caps	PromoFarma	€17.29	€0.288 /capsule	50
89	Holland & Barrett Vitamina C + Quercetina - 60 Comprimidos · 2/2 requirements	Holland & Barrett+€4.99 delivery	€27.99	€0.466 /capsule	50
90	iO.GENIX VITAMIN C Liposomal	iO.GENIXfree delivery from €49	€18.56	€0.309 /capsule	50
91	Arkopharma Vitamina C 1000mg y D3 20 Comprimidos · 1/1 requirements	DosFarma+€3.99 delivery	€9.99	€0.499 /capsule	50
92	EIRALABS Purewayc vitamina C 500mg 60cáps5.0 (1) · 1/1 requirements	PromoFarma	€30.30	€0.505 /capsule	50
93	Vitamina C Liposomal 1000mg · 90 cápsulas	Amazonfree delivery from €35	€28.13	€0.313 /capsule	50
94	vit.O.Best VITOBEST Vitaminas Liposomal Vitamin C · 60 uds	Amazonfree delivery from €35	€19.80	€0.330 /capsule	50
95	Solgar Vitamina C 1000 mg · 90 cápsulas	Amazonfree delivery from €35	€29.79	€0.331 /capsule	49
96	Solgar Ester-C Plus 500mg con Vitamina C - 50 Cápsulas Vegetales · 2/2 requirements	Holland & Barrett+€4.99 delivery	€28.99	€0.580 /capsule	49
97	Vitamina C Liposomada con Reishi, Alta Absorción, 60 Cápsulas	Amazonfree delivery from €35	€20.50	€0.342 /capsule	49
98	EPAPLUS Coenzima Q10 100 mg Vitamina C antioxidante 60 cápsulas	Amazonfree delivery from €35	€20.59	€0.343 /capsule	49
99	Solgar Ester · C Plus 1000mg con Vitamina C · 90 comprimidos · 2/2 requirements	Holland & Barrettfree delivery	€56.99	€0.633 /capsule	49
100	Solgar Vitamina C \| Alta Absorción \| 30 Comprimidos	Amazonfree delivery from €35	€11.96	€0.399 /capsule	49
101	Redoxon Vitamina C 1000 mg Sabor Naranja 30 Comprimidos Efervescentes	Amazonfree delivery from €35	€12.61	€0.420 /capsule	49
102	Vitobest Vitamin C 1000 · 0/1 requirements	VitOBestfree delivery from €30	€10.62	€0.177 /capsule	48
103	Amix Vitamina C 1000 - 100 Cápsulas Fortalece El Sistema Inmunológico4.7 (40) · 0/1 requirements	Bulevipfree delivery from €40	€18.90	€0.189 /capsule	48
104	NaturTierra Vitamina C 30 Comprimidos5.0 (1) · 0/1 requirements	DosFarma+€3.99 delivery	€5.99	€0.200 /capsule	48
105	Imunoglukan P4H 30 Cápsulas · Complemento Alimenticio con Vitamina C para	Amazonfree delivery from €35	€20.05	€0.668 /capsule	47
106	SOLARAY Vitamina C + Echinacea 60 caps · 0/1 requirements	PromoFarma	€15.19	€0.253 /capsule	46
107	GEN PROFESSIONAL Vitamina C 1000 + Vit E + Vit D3 60 caps · 0/1 requirements	PromoFarma	€15.66	€0.261 /capsule	46
108	Vbyotics C-850 Vitamina Pureway 90 caps · 0/1 requirements	PromoFarma	€24.39	€0.271 /capsule	46
109	Direct Nutrition Vitamina C 1000Ui Complex Bioflavonoides 60caps4.0 (1) · 0/1 requirements	PromoFarma	€17.48	€0.291 /capsule	45
110	100% natural Vitamina C Liposomal 90 Cápsulas5.0 (1) · 0/1 requirements	DosFarma+€3.99 delivery	€32.99	€0.367 /capsule	44
111	Relafit Ms Propóleo Vitamina C 30caps · 0/1 requirements	PromoFarma	€11.46	€0.382 /capsule	44
112	Leotron Vitamina C 36 comprimidos efervescentes5.0 (3) · 0/1 requirements	DosFarma+€3.99 delivery	€16.99	€0.472 /capsule	43
	Leotron Vitamina C 18 comprimidos Efervescentes3.0 (2) · 0/1 requirements	DosFarma+€3.99 delivery	€8.99	€0.499 /capsule	43
113	Leotron VItamina C 36 +18 Comprimidos GRATIS5.0 (6) · 0/1 requirements	DosFarma+€3.99 delivery	€14.99	€0.833 /capsule	42
114	Holland & Barrett Hierro 15mg + Vitamina C, B y Minerales - 180 Comprimidos · 2/2 requirements underdosed	Holland & Barrett+€4.99 delivery	€22.49	€0.125 /capsule	40
115	Holland & Barrett Hierro Suave 20mg · 90 cápsulas · 2/2 requirements underdosed	Holland & Barrett+€4.99 delivery	€12.79	€0.142 /capsule	40
	Holland & Barrett Hierro Suave 20mg · 30 cápsulas · 2/2 requirements underdosed	Holland & Barrett+€4.99 delivery	€7.99	€0.266 /capsule	35
116	Holland & Barrett Hierro y Vitamina C 14mg - 30 Comprimidos · 2/2 requirements underdosed	Holland & Barrett+€4.99 delivery	€12.79	€0.426 /capsule	32

127 products in this table

Out of stock right now (4), left out of the table until they are back: HSN Essential Series Vitamina C 1000mg + bioflavonoides + rosa mosqueta 240 tabletas, HSN Essential Series Vitamina C 1000mg + bioflavonoides + rosa mosqueta 30 tabletas, Aldous Bio Bisglicinato De Magnesio Con Vitamina C B5 Y B6 200 Caps, Solgar Ester · C Plus 1000mg con Vitamina C · 90 comprimidos.

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 C

Answered with the data on this page

Which vitamin C should you buy?: Vitamina C 1000mg - 365 cápsulas - Suave para el estómago y sin ácido - Refuerza el sistema inmunitario y el metabolismo energético - Probado en laboratorio from Amazon, with 80 points out of 100 at €0.041/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 C?: Vitamina C 1000mg - 365 cápsulas - Suave para el estómago y sin ácido - Refuerza el sistema inmunitario y el metabolismo energético - Probado en laboratorio from Amazon, at €0.041/capsule (365 capsules pack for 14,99 €). 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 C cost?: Between €0.041/capsule and €0.833/capsule across the 11 stores compared, with a median of €0.156/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 C have?: Of the 127 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 127 stop at a certification claimed on the product page, or none at all. Only level 4 is checked against whoever issues the certification.
How much vitamin C should you take a day?: The reference dose this site uses for vitamin C is 80 mg a day, with strong evidence. Source: Reglamento (UE) 1169/2011 sobre la informacion alimentaria facilitada al consumidor, Anexo XIII: valores de referencia de nutrientes. Vitamina C, 80 mg. Es un valor de ETIQUETADO, no una dosis con efecto demostrado: mide cuanto cubre una capsula de lo que se considera la ingesta de referencia diaria.. That is the dose of the ingredient in the study cited, not a recommendation for you nor a claim about any product in the table.

More specific questions about vitamin C9 comparisons — the same table, filtered

La mejor vitamina C de Amazon65 prod.La mejor vitamina C de Bulevip6 prod.La mejor vitamina C de DosFarma14 prod.La mejor vitamina C de Holland & Barrett16 prod.La mejor vitamina C de PromoFarma13 prod.La mejor vitamina C barata64 prod.Amazon or DosFarma for vitamin C79 prod.Amazon or Holland & Barrett for vitamin C81 prod.DosFarma or Holland & Barrett for vitamin C30 prod.

Other comparisons49 categories — same method

Which hyaluronic acid should you buy24 prod.Which arginine should you buy10 prod.Which ashwagandha should you buy119 prod.Which BCAA should you buy126 prod.Which beta-alanine should you buy36 prod.Which caffeine should you buy86 prod.Which calcium should you buy43 prod.Which carbohydrate powder should you buy113 prod.Which carnitine should you buy93 prod.Which casein should you buy84 prod.Which citrulline should you buy42 prod.Which CLA should you buy29 prod.Which coenzyme Q10 should you buy44 prod.Which collagen should you buy168 prod.Which choline should you buy24 prod.Which B complex should you buy38 prod.Which creatine should you buy223 prod.Which turmeric should you buy114 prod.Which EAA should you buy61 prod.Which spirulina should you buy30 prod.Which mass gainer should you buy96 prod.Which glucosamine should you buy101 prod.Which glutamine should you buy116 prod.Which iron should you buy101 prod.Which HMB should you buy13 prod.Which maca should you buy33 prod.Which magnesium should you buy154 prod.Which melatonin should you buy116 prod.Which multivitamin should you buy114 prod.Which omega 3 should you buy152 prod.Which potassium should you buy34 prod.Which pre-workout should you buy124 prod.Which probiotic should you buy107 prod.Which whey isolate should you buy182 prod.Which vegan protein should you buy141 prod.Which whey protein should you buy251 prod.Which fat burner should you buy34 prod.Which selenium should you buy33 prod.Which taurine should you buy6 prod.Which green tea should you buy19 prod.Which theanine should you buy18 prod.Which tribulus should you buy24 prod.Which tryptophan should you buy30 prod.Which vitamin B12 should you buy106 prod.Which vitamin D should you buy137 prod.Which vitamin E should you buy41 prod.Which vitamin K2 should you buy21 prod.Which zinc should you buy81 prod.Which ZMA should you buy46 prod.

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.