The short answer · Vitamin C status
Take vitamin c & acerola for vitamin c status. This is the one to buy.

Swanson Vitamins, Acerola, 500 mg, 60 Capsules
4.8· 786 ratings· $0.11/serving
Vitamin C 125 mg — inside the studied 100-1000 mg window
Of 4,465 products scored for Vitamin C status, Swanson Vitamins, Acerola, 500 mg, 60 Capsules ranks #1 with a DoseRank score of 92. Vitamin C and Acerola are the strongest evidence signals for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Vitamin C & Acerola?”Evidence Strong evidence
Vitamin C and Acerola are the strongest evidence signals for this outcome.
- Vitamin CThe pick
Strong evidence · 125 mg
Essential water-soluble vitamin required for collagen synthesis, immune function, and antioxidant recycling; not stored in the body, so regular dietary intake is necessary.
- AcerolaThe pick
Strong evidence · 500 mg
Tropical cherry (Malpighia emarginata) exceptionally rich in natural vitamin C and bioflavonoids; used as a whole-food vitamin C source rather than synthetic ascorbic acid.
- Ascorbic Acid
Strong evidence · 330 mg (calculated)
Pure vitamin C in its simplest acid form; effective and inexpensive, but can irritate the stomach at higher doses - buffered forms suit sensitive users.
The dose“Is the dose actually effective?”Dose fit 67
2 of 2 dosed ingredients land in the studied range. Vitamin C at 125 mg lands inside the studied 100-1000 mg window.
Vitamin C
Studied window 100-1000 mg · this pick 125 mg
Acerola
Studied window 500-2000 mg · this pick 500 mg
The ranking“Why should I trust this pick?”Trust 74
Solid trust signals from buyer ratings, with room to grow. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 4,465 products scored
- Never paid placement
- Evidence level: Strong · 92
- 406 brands
- 11 ingredients
The price“Can I do better than $0.11 a serving?”Value 83
$0.11 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.03 per serving.
- 7California Gold Nutrition, Gold C® Powder, USP Grade Vitamin C, 1,000 mg, 8.81 oz (250 g)Score 88 · $0.03/servingiHerb
- 821st Century, Vitamin C, 500 mg, 250 TabletsScore 88 · $0.04/servingiHerb
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
Ready?
The #1 pick is $0.11 a serving.Swanson Vitamins, Acerola, 500 mg, 60 Capsules — in stock at a tracked retailer.
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Swanson Vitamins, Acerola, 500 mg, 60 Capsules ranks #1 for Vitamin C status with a DoseRank score of 92. The score blends clinical strength, evidence, dose fit, trust signals and value across 4,465 products scored for this outcome.