# Yellow Strawberry Guava **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/yellow-strawberry-guava **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-15 **Evidence Score:** 4 / 10 **Category:** Fruit **Also Known As:** Psidium cattleianum, strawberry guava, Cattley guava, Cherry guava ## Overview Yellow Strawberry Guava (Psidium cattleianum) is rich in phenolics like catechin and quercetin, and L-ascorbic acid (vitamin C). These compounds provide potent [antioxidant](/ingredients/condition/antioxidant) and antimicrobial activities, contributing to enhanced [immune function](/ingredients/condition/immune-support), gut health, and blood sugar regulation. ## Health Benefits - Enhances [immune function](/ingredients/condition/immune-support) through its high vitamin C and antioxidant content. - Supports [gut microbiome](/ingredients/condition/gut-health) balance by providing soluble fiber and prebiotics. - Provides robust [antioxidant protection](/ingredients/condition/antioxidant), shielding cells from oxidative stress. - Regulates blood sugar levels through its fiber content, promoting metabolic balance. - Soothes respiratory tissues, offering traditional support for throat remedies. - Promotes skin clarity and detoxification by supporting internal cleansing pathways. ## Mechanism of Action The health benefits of Yellow Strawberry Guava are primarily attributed to its high concentration of phenolic compounds (e.g., catechin, quercetin, ellagic acid derivatives) and L-ascorbic acid, which exert robust antioxidant effects by scavenging [free radical](/ingredients/condition/antioxidant)s and [antimicrobial](/ingredients/condition/immune-support) activities. Its significant soluble fiber content acts as a prebiotic, fostering a balanced [gut microbiome](/ingredients/condition/gut-health). This fiber also aids in the regulation of [blood glucose](/ingredients/condition/weight-management) levels by slowing carbohydrate absorption. ## Clinical Summary Research on Yellow Strawberry Guava, primarily involving in vitro and animal models, indicates its high [antioxidant](/ingredients/condition/antioxidant) capacity due to vitamin C and polyphenols. These studies suggest potential for [immune modulation](/ingredients/condition/immune-support) and blood sugar regulation, demonstrating its robust cellular protective properties. However, further human clinical trials are necessary to confirm these observed benefits, establish optimal dosages, and determine efficacy and safety in human populations. ## Nutritional Profile - Vitamins: C (supporting immune defense, skin vitality); Beta-cryptoxanthin, lutein (carotenoids for [antioxidant protection](/ingredients/condition/antioxidant)) - Macronutrients: Soluble fiber (supporting [gut microbiome](/ingredients/condition/gut-health) balance, digestive harmony) - Phytochemicals/Bioactives: Quercetin, gallic acid, flavonoids, tannins, essential oils (providing antioxidant protection, soothing respiratory tissues, promoting skin clarity) ## Dosage & Preparation - Forms: Fresh fruit, sun-dried fruit, freeze-dried powder, extract, infusions of leaves/bark. - Dosage: 1–2 teaspoons of freeze-dried powder daily, or 500–1000 mg of extract daily. - Preparation: Consume fresh, sun-dried, or incorporate into functional powders, gummies, and elixirs. - Traditional Use: Leaves and bark infused for digestive and throat remedies in Amazonian traditions. ## Safety & Drug Interactions Yellow Strawberry Guava, when consumed as a fruit, is generally considered safe. However, specific safety data regarding concentrated extracts, high doses, potential side effects, or drug interactions are limited. Individuals who are pregnant, breastfeeding, or taking medications should consult a healthcare professional before using supplemental forms. As with any fruit, allergic reactions, though rare, are possible. ## Scientific Research Research on Yellow Strawberry Guava highlights its high [antioxidant](/ingredients/condition/antioxidant) capacity, particularly from vitamin C and polyphenols, and its fiber content supporting gut health. Studies, including in vitro and animal models, suggest its potential for [immune modulation](/ingredients/condition/immune-support) and blood sugar regulation. Further human clinical trials are needed to confirm these effects and establish optimal dosages. ## Historical & Cultural Context In Amazonian and coastal Brazilian traditions, Yellow Strawberry Guava is known as the 'Fruit of Bright Vitality.' It was historically harvested at sunrise for energetic potency and used in seasonal cleanses, fever remedies, and beautifying tonics. These applications aimed to awaken [immunity](/ingredients/condition/immune-support) and nourish gut-skin balance. ## Synergistic Combinations Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base Intention: Gut & [Microbiome](/ingredients/condition/gut-health) | Immune & [Inflammation](/ingredients/condition/inflammation) Primary Pairings: Turmeric (Curcuma longa); Camu Camu (Myrciaria dubia); Ginger (Zingiber officinale); Maca Root (Lepidium meyenii) ## Frequently Asked Questions ### What makes Yellow Strawberry Guava distinct from common guava? Yellow Strawberry Guava (Psidium cattleianum) is distinct from common guava (Psidium guajava) due to its unique strawberry-like flavor. It also boasts a higher nutrient content, including a greater concentration of phenolics and vitamin C, resulting in superior antioxidant and antimicrobial activities. ### What are the primary health benefits of Yellow Strawberry Guava? Yellow Strawberry Guava enhances immune function through its high vitamin C and antioxidant content. It supports gut microbiome balance via soluble fiber and prebiotics, provides robust antioxidant protection, and helps regulate blood sugar levels. ### Which key bioactive compounds are present in Yellow Strawberry Guava? The fruit is rich in phenolic compounds, notably catechin, quercetin, epicatechin derivatives, and various ellagic acid derivatives. L-ascorbic acid (vitamin C) is also a significant component, contributing to its overall antioxidant profile. ### How does Yellow Strawberry Guava support gut health and blood sugar regulation? Its high soluble fiber content acts as a prebiotic, nourishing beneficial gut bacteria and promoting a balanced gut microbiome. This fiber also plays a crucial role in blood sugar regulation by slowing down the absorption of sugars into the bloodstream. ### What is the current status of clinical research on Yellow Strawberry Guava? Research on Yellow Strawberry Guava primarily includes in vitro and animal models, which demonstrate its high antioxidant capacity and potential for immune modulation and blood sugar regulation. While promising, further human clinical trials are needed to confirm these benefits and establish its efficacy and safety in people. ### Is Yellow Strawberry Guava safe to take with blood sugar medications? Yellow Strawberry Guava is generally safe alongside blood sugar medications, but its blood sugar-regulating fiber content may enhance medication effects, potentially requiring dosage adjustments. Consult your healthcare provider before combining Yellow Strawberry Guava supplements with diabetes medications like metformin or insulin to monitor for hypoglycemia risk. Your doctor may recommend spacing doses or adjusting medication timing to prevent blood sugar from dropping too low. ### What is the most effective form of Yellow Strawberry Guava supplement—powder, extract, or whole fruit? Whole Yellow Strawberry Guava fruit provides maximum fiber and bioactive compounds in their natural matrix, while standardized extracts offer concentrated antioxidants and vitamin C for targeted immune support. Powders fall between these options, retaining fiber while offering better bioavailability than whole fruit for certain compounds like lycopene. For respiratory and gut health benefits, whole fruit or powder forms are preferable; for concentrated antioxidant protection, a standardized extract may be more efficient. ### Who should avoid Yellow Strawberry Guava supplements, and are there specific populations at risk? Individuals with histamine intolerance or sensitivity may need to avoid Yellow Strawberry Guava, as tropical fruits can be higher in histamine, particularly in processed or fermented forms. People taking blood thinners (like warfarin) should consult their doctor, as the vitamin C and K content may interact with anticoagulant therapy. Those with severe digestive conditions like irritable bowel syndrome may experience gas or bloating from the high prebiotic fiber content and should start with lower doses. ## References Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8481045; https://www.sciencedirect.com/science/article/abs/pii/S0308814619306064; https://www.mdpi.com/2076-3921/10/5/693 --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*