citrus aurantium extract manufacturers and suppliers
Healthkintai® is a manufacturer and supplier of Citrus aurantium extract. This extract is a standardized botanical ingredient derived from the immature, dried fruit of Citrus aurantium. Its key active constituents include synephrine and diosmin, alongside various natural citrus flavonoids such as neohesperidin and naringin. Synephrine is a sympathomimetic amine alkaloid that promotes fat mobilization and slightly boosts metabolic rate; it is commonly used in weight management products and pre-workout formulations. Diosmin is a flavonoid glycoside with significant vasoactive properties, helping to enhance venous tone and improve microcirculation. The product is available in powder form, with standardized specifications for synephrine and diosmin customizable to meet client requirements. Contact us at info@kintaibio.com.
|
Product Name |
Specification |
Test Method |
|
Citrus Aurantium Extract |
6%Synephrine |
HPLC |
|
30%Synephrine |
HPLC |
|
|
90%Diosmin |
HPLC |
|
|
98%Diosmin |
HPLC |
|
|
50%Citrus flavonoids |
HPLC |
What is KINTAI citrus aurantium extract plant source?

Healthkintai® has selected Hunan Province in southern China as its raw material sourcing region, a location distinguished by the exceptional quality of its produce. The region enjoys a humid subtropical monsoon climate characterized by abundant sunlight and rainfall; combined with the deep, fertile alluvial soil unique to the lake area, this creates an ideal environment for the growth and development of immature citrus aurantium.
The fruit harvested here is uniform in size with a thick peel and is rich in volatile oils and flavonoids; notably, the content of synephrine, the key active ingredient, is far higher than that found in fruit from ordinary growing regions, while the ratio of alkaloids to flavonoids is optimally balanced.
What are citrus aurantium extract benefits?

citrus aurantium extract for weight loss
The Citrus aurantium extract in weight management is primarily attributed to its key active ingredient, synephrine. Synephrine selectively stimulates adipocytes, promoting the breakdown of stored triglycerides into free fatty acids and thereby accelerating fat mobilization and utilization; simultaneously, it slightly elevates the resting metabolic rate-increasing daily energy expenditure-without significantly affecting heart rate. Furthermore, the citrus flavonoids abundant in the extract help alleviate the chronic low-grade inflammation associated with obesity, working synergistically to enhance fat-loss effects. These multifaceted mechanisms make Citrus aurantium extract a core ingredient in many popular thermogenic fat-burning supplements.
citrus aurantium extract for skin
Bitter orange extract is highly prized in skincare for its rich content of citrus flavonoids and Vitamin C, offering multifaceted benefits for the skin. It demonstrates potent antioxidant capabilities, helping to delay signs of premature aging,such as fine lines and loss of firmness,caused by UV exposure and environmental pollution. Its active ingredients gently stimulate microcirculation, helping to alleviate dullness around the eyes and across the face, brighten the complexion, and reduce signs of fatigue. Additionally, the extract possesses astringent and conditioning properties that help balance sebum production and refine pores; it is particularly beneficial for oily and acne-prone skin, aiding in the maintenance of the skin's moisture-oil balance.


diosmin for varicose veins
Diosmin is a minor flavonoid glycoside extracted from citrus fruits and a key active component of citrus aurantium extract. it is highly effective in improving venous tone and treating chronic venous insufficiency. In cases of varicose veins, diosmin enhances venous wall contractility by prolonging the vasoconstrictive effect of norepinephrine, thereby effectively reducing venous dilation and stasis and alleviating symptoms such as leg heaviness, swelling, aching, and nocturnal cramps. Additionally, it protects capillary microcirculation and reduces capillary permeability, limiting the leakage of plasma proteins and fluid into surrounding tissues and thus alleviating edema.
diosmin for hemorrhoids
Diosmin is a first-line venoactive drug for treating acute flare-ups and chronic hemorrhoidal disease. By enhancing venous wall tone, it effectively alleviates the dilation and congestion of the hemorrhoidal venous plexus, thereby rapidly relieving key symptoms-such as swelling, pain, itching, and bleeding-associated with internal and external hemorrhoids. Additionally, diosmin powder significantly reduces capillary permeability and curbs the exudation of inflammatory mediators and local tissue edema; this helps interrupt the pathological cycle of hemorrhoid progression and reduces both the frequency and severity of acute flare-ups.

What are citrus aurantium extract uses?
citrus aurantium extract in skincare
Thanks to the multifaceted benefits of citrus aurantium extract-including microcirculation improvement, antioxidant activity, and mild astringency-it is widely used in various functional skincare products. In eye care, it serves as a key ingredient in eye creams, serums, and masks, effectively targeting dark circles and puffiness while rapidly alleviating signs of eye fatigue. In firming and anti-aging products, it is incorporated into facial serums and creams to improve dullness and combat early-stage sagging by promoting circulation and scavenging free radicals. For oily and combination skin, it is frequently used in toners, cleansers, and oil-control lotions to help regulate sebum secretion and refine pores. Additionally, it helps maintain the stability of the skin barrier in soothing and restorative products such as face masks and mists.

citrus aurantium extract supplements
In the health supplement sector, Citrus aurantium extract valued for active compounds such as synephrine-is formulated into a variety of dietary supplements primarily targeting weight management, sports nutrition, and digestive health. Weight management capsules and tablets are the most common product types; serving as the core of thermogenic fat-burning formulas, they aid weight loss by promoting lipolysis and boosting metabolism. In the sports nutrition category, the extract is frequently added to pre-workout powders and energy drinks to enhance focus and facilitate the mobilization of fat for energy. For digestive health, it is processed into stomach-soothing and digestion-aiding tablets, herbal teas, and liquid drops, effectively relieving post-meal bloating and indigestion.

Citrus aurantium extract functional foods
In the realm of functional foods, the uses of Citrus aurantium extract aligns perfectly with modern consumers' desire for weight management and convenient wellness solutions. In meal-replacement shakes, it serves not merely as a nutritional supplement but as an active metabolic enhancer; while providing satiety and controlling calorie intake, it gently boosts energy expenditure, thereby making weight management easier. Meanwhile, in slimming teas and herbal powdered beverages, the extract is often blended with natural ingredients like green tea and yerba mate. By leveraging its ability to promote microcirculation, these formulations create drinks designed to detoxify, reduce water retention, and support fat burning.

What are citrus aurantium extract side effects?
At recommended dosages, Citrus aurantium extract is generally safe for healthy adults; however, its key constituent, synephrine, a sympathomimetic amine-carries certain potential side effects and contraindications. The most common adverse reactions involve the cardiovascular system, potentially including a mild increase in heart rate, elevated blood pressure, and palpitations; consequently, individuals with cardiovascular conditions such as hypertension or arrhythmias should avoid its use. Some sensitive individuals may also experience anxiety, headaches, insomnia, or slight hand tremors. Furthermore, as it may act synergistically with other stimulants like caffeine-thereby increasing the risk of stimulant-related side effects-concurrent use with excessive caffeine or other stimulant supplements is not recommended.
Where to buy the best citrus aurantium extract powder?
When you choose our citrus aurantium extract powder, you benefit from our careful selection of high-quality young fruit sourced from core production areas in Hunan, China-ensuring high levels of active ingredients such as synephrine, diosmin, and citrus flavonoids. We offer a diverse range of standardized specifications; whether you require synephrine-rich, diosmin-rich, or specific citrus flavonoid ratios, we can precisely meet the formulation needs of various dosage forms, including tablets, capsules, and functional beverages. We hold comprehensive international certifications and provide detailed third-party Certificates of Analysis. Furthermore, our technical team offers fully customized solutions-ranging from precise active ingredient standardization and specific particle sizes (mesh counts) to proprietary water-solubility processes and natural taste-masking treatments-tailored to your specific formulation requirements.Contact us at info@kintaibio.com.

FAQ
Q: What does citrus do to your face?
A: Citrus extracts brighten skin, fight free radicals with antioxidants, and gently exfoliate. They help even out skin tone, boost collagen production, and control excess oil, making them ideal for dull, oily, or aging skin.
Q: What is diosmin used for?
A: Diosmin is a flavonoid used mainly for vascular health. It strengthens vein walls, improves blood flow, and reduces swelling, effectively treating varicose veins, leg heaviness, and acute hemorrhoid symptoms.
Q: What is Citrus aurantium extract used for?
A: Bitter orange extract is widely used for weight management and digestion. Its synephrine boosts metabolism and fat breakdown, while its flavonoids support appetite control, making it a staple in fat burners and sports nutrition.
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