Strawberries

Vitamin C-dense berry with cardiovascular benefits, iron absorption enhancement, and anti-inflammatory polyphenols

Food entries focus on a single ingredient or whole food. Effects listed are attributable to that item specifically, not to a broader dietary pattern.

References cited
1
Evidence grade
12
Cumulative trust
Community score
6/10

Evidence

What this is associated with

Same across all listed outcomesEffect sizeEvidence strength
  • Cardiovascular health
  • Metabolic health
  • Immune health

Signal key

  • Direction — which way the measured value moved; blue marks an increase, not a benefit
  • Effect size — the size of the measured change
  • Evidence strength — the strength of the research behind it
About effect and evidence

Strawberries are the most vitamin C-rich of the common berries, providing approximately 90mg of vitamin C per 100g, more per gram than oranges. This makes them a particularly effective dietary source of vitamin C, an essential antioxidant and cofactor in collagen synthesis, immune function, and the conversion of non-heme iron from plant foods into a more bioavailable form. Adding strawberries to iron-rich plant meals (lentils, spinach, beans) meaningfully improves iron absorption, which is especially relevant for people following predominantly plant-based diets.

Strawberries are also a significant source of anthocyanins, specifically cyanidin and pelargonidin, along with ellagic acid and quercetin. A major review on berries and cardiovascular health confirmed that regular intake is associated with reductions in LDL oxidation, lipid peroxidation, total antioxidant capacity improvements, and glucose metabolism benefits across multiple clinical studies[1]. Strawberries were among the most studied individual fruits in this body of evidence.

Section

Cardiovascular Benefits#

Anthocyanins in strawberries inhibit LDL oxidation and foam cell formation in arterial walls, early steps in atherosclerosis. They also modulate platelet aggregation and improve endothelial function, contributing to better vascular health. Observational studies show associations between higher strawberry intake and lower cardiovascular event risk, consistent with the mechanistic evidence. Quercetin adds anti-inflammatory activity through COX-2 inhibition.

Section

Vitamin C and Collagen#

Beyond immune support, vitamin C’s role in collagen synthesis is relevant to joint health, skin structure, and wound healing. Strawberries consumed alongside a protein-rich meal also support connective tissue repair following exercise. The vitamin C content is heat-sensitive, so raw or lightly prepared strawberries are more effective as a vitamin C source than cooked or processed products.

Section

Practical Details#

Strawberries are best consumed fresh or frozen without added sugar. A standard serving (80-100g, roughly 6-8 medium berries) provides a full daily value of vitamin C for most people. Organic and locally grown strawberries tend to have higher polyphenol density, as they are grown under greater UV stress. Strawberries have a naturally low glycemic load (glycemic index around 40) and their fiber content moderates glucose spikes, making them an appropriate choice even for people managing blood sugar.

Research

References

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