# Sugar Snap Pea (Pisum sativum var. macrocarpon)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/sugar-snap-pea
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Legume
**Also Known As:** Pisum sativum var. macrocarpon, snap pea, sugar pea, mangetout pea, edible-pod pea, snow pea hybrid, sweet snap pea

## Overview

Sugar snap peas (Pisum sativum var. macrocarpon) deliver dietary fiber (2.5–5g/100g) and vitamin C (40–80mg/100g) alongside polyphenols such as catechin that neutralize [reactive oxygen species](/ingredients/condition/antioxidant). Their fermentable fiber is converted by gut bacteria into short-chain fatty acids, which activate GPR43 and GPR41 receptors to support colonic health and metabolic signaling.

## Health Benefits

• [Digestive health](/ingredients/condition/gut-health) support through dietary fiber (2.5-5g/100g) that ferments to short-chain fatty acids, activating GPR43/41 receptors (mechanism research, no clinical trials)
• [Antioxidant protection](/ingredients/condition/antioxidant) from vitamin C (40-80mg/100g) and polyphenols like catechin (10-50mg/100g) that scavenge ROS (laboratory evidence only)
• [Blood glucose](/ingredients/condition/weight-management) stabilization via low glycemic index (GI~40) and polyphenol-mediated amylase inhibition (mechanistic data, no RCTs)
• Cardiovascular support suggested by general legume meta-analyses showing modest [blood pressure](/ingredients/condition/heart-health) reduction (observational studies >10,000 participants, not specific to snap peas)
• Micronutrient density providing vitamin K (25-50μg/100g) and folate (40-60μg/100g) meeting USDA nutrient-dense criteria (nutritional analysis, no clinical outcomes)

## Mechanism of Action

Dietary fiber in sugar snap peas undergoes microbial fermentation in the colon, producing butyrate, propionate, and acetate, which bind GPR43 and GPR41 receptors on colonocytes and immune cells to modulate inflammation and energy homeostasis. Vitamin C (ascorbic acid) at 40–80mg/100g donates electrons to quench superoxide and hydroxyl radicals, while catechins (10–50mg/100g) inhibit [lipid peroxidation](/ingredients/condition/antioxidant) via chelation of redox-active metal ions. Flavonoids including quercetin and kaempferol, present in smaller amounts, additionally inhibit NF-κB signaling to downregulate [pro-inflammatory cytokine](/ingredients/condition/inflammation) expression.

## Clinical Summary

No randomized controlled trials have been conducted specifically on sugar snap pea supplementation or concentrated extract in humans, making direct efficacy claims premature. Evidence is primarily derived from mechanistic in vitro studies and observational data on broader legume and vegetable intake, where higher legume consumption correlates with improved glycemic markers and reduced CRP in cohort studies of hundreds to thousands of participants. The fiber content aligns with whole-food dietary fiber research demonstrating 10–15% improvements in transit time and stool consistency in small intervention trials (n=20–50). Overall evidence strength is low-to-moderate; the ingredient is best contextualized within a fiber- and [antioxidant](/ingredients/condition/antioxidant)-rich whole diet rather than as a standalone therapeutic agent.

## Nutritional Profile

Sugar snap peas (Pisum sativum var. macrocarpon) per 100g fresh weight: Macronutrients — Calories: ~42 kcal; Carbohydrates: 7.5g (of which sugars ~4g, predominantly sucrose and glucose); Dietary fiber: 2.5–5g (mix of soluble pectin ~0.5–1g and insoluble cellulose/hemicellulose); Protein: 2.8–3.5g (containing all essential amino acids, notably lysine ~0.18g and leucine ~0.22g, though limiting in methionine ~0.05g); Fat: 0.2g (primarily linolenic acid, omega-3). Micronutrients — Vitamin C: 40–80mg (44–89% RDI, bioavailability high but heat-sensitive, losses of 30–50% upon cooking); Vitamin K1 (phylloquinone): 25–30µg (~25% RDI); Folate (B9): 40–65µg DFE (~10–16% RDI); Thiamine (B1): 0.15mg (~13% RDI); Vitamin A (as beta-carotene): 54–100µg RAE, bioavailability enhanced by co-consumption with dietary fat; Iron: 1.5–2.1mg (non-heme, absorption enhanced by co-present vitamin C, estimated bioavailability 5–12%); Manganese: 0.24mg (~10% RDI); Potassium: 200–240mg; Magnesium: 24mg; Phosphorus: 53mg; Zinc: 0.27mg. Bioactive Compounds — Polyphenols: Total phenolic content 80–150mg GAE/100g; Catechin: 10–50mg/100g (flavan-3-ol, concentrated in pod tissue); Quercetin glycosides: 5–15mg/100g; Kaempferol derivatives: 3–8mg/100g; Chlorophyll a and b: 10–30mg/100g ([antioxidant](/ingredients/condition/antioxidant) co-pigments); Carotenoids: lutein + zeaxanthin ~1.7mg/100g, beta-carotene ~0.4mg/100g (fat-soluble, bioavailability 5–15% from whole food matrix); Saponins: present at low levels (~0.1–0.3%), may mildly reduce cholesterol absorption; Lectins: present in raw form at low concentrations, largely denatured by cooking; Phytate (phytic acid): ~0.2–0.5g/100g, may moderately reduce iron and zinc bioavailability in raw consumption. Bioavailability Notes — The edible pod matrix (compared to shelled peas) retains higher fiber and polyphenol content; vitamin C and folate are water-soluble and significantly reduced by boiling (prefer steaming or stir-frying); fat-soluble carotenoids and vitamin K absorption is markedly improved when consumed with lipids; protein digestibility is moderate (~75–80% PDCAAS adjusted) due to residual antinutritional factors in raw pods.

## Dosage & Preparation

As a whole food vegetable, typical dietary intake is 100-200g per serving (1 cup), providing approximately 80kcal, 7g sugar, and 5g fiber. No standardized extracts or clinically studied dosages exist. Population studies suggest 1-2 servings daily of legumes for general health benefits. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Sugar snap peas are generally well tolerated, but their fermentable fiber content can cause bloating, flatulence, and loose stools in individuals with irritable bowel syndrome or FODMAP sensitivity, particularly at intakes above 150g per day. They contain moderate amounts of vitamin K, which may attenuate anticoagulant therapy with warfarin if consumed in large or inconsistent quantities, warranting dietary consistency in patients on anticoagulants. Sugar snap peas contain purines at low-to-moderate levels; individuals with gout or hyperuricemia should monitor intake, though risk is substantially lower than with organ meats. No specific contraindications exist for pregnancy or lactation, and they are considered a safe, nutrient-dense food in standard dietary quantities.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses specifically on sugar snap peas were identified for biomedical outcomes. General legume consumption meta-analyses show [cardiovascular](/ingredients/condition/heart-health) benefits in observational cohorts (n>10,000), but these are not specific to this variety. Note that palmitoylethanolamide (PEA) studies in the search results (e.g., PMID 36057884) refer to an unrelated lipid compound, not peas.

## Historical & Cultural Context

While peas (Pisum sativum) have been used in European folk medicine since ancient times, with Greek and Roman texts by Dioscorides noting digestive and diuretic effects, sugar snap peas as a 1950s hybrid lack historical traditional use. The variety post-dates traditional medicine systems like Ayurveda and TCM, with no records of specific therapeutic applications.

## Synergistic Combinations

Vitamin D (fat-soluble vitamin absorption), Olive oil (carotenoid bioavailability), [Probiotic](/ingredients/condition/gut-health)s (fiber fermentation), Turmeric ([antioxidant](/ingredients/condition/antioxidant) synergy), Black pepper (nutrient absorption)

## Frequently Asked Questions

### How much vitamin C is in sugar snap peas?

Sugar snap peas contain approximately 40–80mg of vitamin C per 100g of fresh pods, which represents 44–89% of the adult recommended daily intake of 90mg. This vitamin C acts as a direct antioxidant, donating electrons to neutralize reactive oxygen species and regenerating vitamin E in cell membranes.

### Do sugar snap peas help with digestion?

Yes, sugar snap peas provide 2.5–5g of dietary fiber per 100g, including both soluble and insoluble fractions that support digestive regularity and gut microbiome diversity. Soluble fiber is fermented by colonic bacteria into short-chain fatty acids such as butyrate, which fuels colonocyte energy metabolism and activates GPR43 receptors linked to reduced intestinal inflammation.

### Are sugar snap peas anti-inflammatory?

Sugar snap peas contain catechins (10–50mg/100g) and flavonoids like quercetin and kaempferol that inhibit NF-κB signaling, reducing transcription of pro-inflammatory cytokines such as TNF-α and IL-6 in cell studies. Butyrate produced from their fiber fermentation also suppresses histone deacetylase (HDAC) activity, further dampening inflammatory gene expression, though human clinical confirmation is limited.

### Can people with diabetes eat sugar snap peas?

Sugar snap peas have a low glycemic index (estimated GI of 15–22) and provide fiber that slows glucose absorption by reducing amylase activity and delaying gastric emptying. Observational studies on legume-rich diets associate higher legume intake with modestly lower fasting blood glucose and HbA1c, though direct trials on sugar snap peas specifically in diabetic populations have not been conducted.

### What are the main polyphenols in sugar snap peas?

The primary polyphenols in sugar snap peas include catechins at 10–50mg/100g, quercetin, and kaempferol, all belonging to the flavonoid subclass. These compounds scavenge reactive oxygen species, chelate redox-active iron and copper ions to prevent Fenton-reaction-driven oxidative damage, and modulate enzyme activity including inhibition of xanthine oxidase, which is relevant to uric acid metabolism.

### Are sugar snap peas safe for pregnant women and developing fetuses?

Sugar snap peas are generally safe during pregnancy and provide beneficial nutrients including folate (40-50 mcg/100g), which supports fetal neural development. They are low in pesticide residue risk when sourced from reputable suppliers and pose no known toxicity concerns at normal consumption levels. However, pregnant women should wash produce thoroughly and consult their healthcare provider regarding total dietary fiber intake to avoid digestive discomfort.

### Do sugar snap peas interact with blood-thinning medications like warfarin?

Sugar snap peas contain vitamin K (25-40 mcg/100g), which can potentially interact with warfarin and other anticoagulants by reducing their effectiveness. Individuals taking warfarin should maintain consistent vitamin K intake rather than avoiding the food entirely, and should coordinate dietary changes with their healthcare provider or anticoagulation clinic. Sudden increases in sugar snap pea consumption should be avoided without medical guidance.

### How do fresh sugar snap peas compare to frozen in terms of nutrient retention?

Frozen sugar snap peas typically retain 85-95% of vitamin C and polyphenol content because they are frozen within hours of harvest, often preserving nutrients better than fresh peas stored for several days. Fresh peas may lose 15-25% of vitamin C during standard refrigerated storage over 7-10 days due to enzymatic degradation. Both forms provide equivalent dietary fiber and similar glycemic response, making frozen peas a practical and nutrient-dense alternative to fresh when availability or storage is a concern.

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