Organic Guayusa Capsules Private Label | Energy & Focus Supplement

Last updated: June 2026

Product Name	Guayusa capsules OEM manufacturer
Appearance	capsules
GMP certified factory	Xi'an ECO Biotech Factory Co., Ltd. Xi'an Henrikang Biotech Co., Ltd.
Brand	Reson and Ausreson
Specification	500mg/Cap,1000mg/Cap or as your request
Certification	ISO，Halal，HACCP
Keywords	Guayusa capsules Guayusa Capsules OEM/ODM Private Label Guayusa Supplements
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Shelf Life	24 Months

1. Understanding Guayusa:

Guayusa is a sacred holly tree native to the Amazon rainforest. Although it naturally contains caffeine, its molecular mechanism of action within the human body differs significantly from that of coffee or synthetic anhydrous caffeine.

The secret lies in the synergistic effect of its unique phytochemicals:

Synergy between caffeine and L-theanine: Guayusa naturally contains both caffeine and L-theanine (an amino acid known for promoting relaxation without causing drowsiness). This combination slows the rate of caffeine absorption, providing a smooth, sustained release of energy over 4 to 6 hours.

The boost from theobromine: Also found in dark chocolate, theobromine acts as a mild stimulant and vasodilator; it improves blood flow and oxygen supply to the brain and supports cognitive endurance without causing spikes in blood pressure or heart palpitations.

The power of polyphenols: Guayusa boasts exceptionally high antioxidant capacity (ORAC value) and is rich in chlorogenic acid, which helps neutralize oxidative stress generated during intense physical or mental activity.

Adjustments for Western Lifestyles

• For UK Users: Incorporate Guayusa capsules into your afternoon tea routine. Instead of reaching for cookies when your blood sugar drops at 3 pm, try a glass of water with a Guayusa capsule—many London professionals have found this helps avoid an “afternoon energy spike.”
• For US Users: Guayusa can help adjust your biological clock without creating dependency during your busy cross-time zone travel schedule. West Coast tech workers report it being particularly useful when adjusting to European working hours.
• For Scandinavian Users: Guayusa capsules can provide an energy boost during the long, dark winter months, while their high antioxidant content helps combat oxidative stress from seasonal mood swings.

2. Advantages of the Capsule Format

While traditional Guayusa is typically brewed as a tea, the capsule format offers significant commercial and functional advantages, addressing key consumer pain points:

Eliminating the herbal bitterness

Pure Guayusa tea possesses a distinctive flavor profile with earthy undertones. Although some consumers enjoy this taste, many Western consumers prefer the neutral, tasteless nature of plant-based (HPMC) capsules, thereby maximizing market acceptance.

Precise standardization of active ingredients

With traditional tea, the intake of caffeine and antioxidants can fluctuate significantly depending on water temperature and steeping time. Capsules allow B2B manufacturers to offer standardized extracts (e.g., standardized to 20% polyphenol content or a specific dosage of natural caffeine), ensuring consistent potency and predictable efficacy in every serving.

Seamless integration into daily routines

For busy professionals, students, or athletes, brewing loose-leaf tea is often impractical. Capsules are not only portable and shelf-stable but also offer a professional delivery method that fits easily into daily vitamin and supplement regimens.

Quality & Transparency: From Amazon Rainforest to Your Bottle

We combine traditional botanical knowledge with modern quality control. Every batch of our Guayusa capsules is verified for:

•  Clean Extraction: Patented low-temperature water method (Patent No. [X]) retains full phytonutrient spectrum.

•  Standardized Potency: Each 500mg capsule delivers 45-55mg natural caffeine + 12-18mg L-theanine for the calm-alert state.

•  Purity Assured: 3rd-party tested for heavy metals, microbes, and 400+ pesticides. Non-GMO, gluten-free, vegan (cellulose capsule).

•  ORAC Value: 8,500 μTE per gram – high antioxidant capacity.

Guayusa Capsules Manufacturing FAQ

Q1: What are the primary formulation benefits of Guayusa over synthetic caffeine?

• A: Guayusa provides naturally occurring caffeine bound within a plant matrix that includes L-theanine and antioxidants. This ensures a slow, timed-release energy boost, preventing the rapid spikes and subsequent crashes associated with synthetic caffeine or sugary energy drinks.

Q2: Can we customize the formulation by adding other ingredients?

• A: Yes. As a full-service ODM/OEM manufacturer, we can blend Guayusa extract with complementary ingredients such as Lion's Mane mushroom, Ginkgo Biloba, or Vitamin B-complex to create custom cognitive or immune-support formulas tailored to your brand identity.

Q3: What capsule options do you provide for organic products?

• A: We offer both premium HPMC (Vegan/Vegetarian) capsule shells and traditional gelatin shells. For organic-certified brands, we ensure all excipients and capsule options meet strict organic and clean-label standards.

Q4: What is your typical lead time for custom supplement manufacturing?

• A: Once the sample formula and packaging designs are approved, our standard factory production lead time is approximately 25-35 days, supported by efficient logistics through our shipping networks.

Manufacturing Specifications:

Guayusa content per capsule: 500mg — Customizable (250–1000mg)

Extraction ratio: Customizable (e.g., 4:1, 10:1)

Natural caffeine content: 45–55mg/capsule — Customizable

L-Theanine content: 12–18mg/capsule — Customizable

ORAC value: ≥ 8,500 μTE/g

Extraction process: Low-temperature water extraction (preserves full-spectrum phytonutrients) — Customizable

Heavy metal testing: Lead, arsenic, mercury, and cadmium tested per batch; compliant with USP/EP standards

Capsule type: Gelatin capsule (standard), HPMC vegetarian capsule (optional)

Minimum Order Quantity (MOQ): 10,000 capsules (standard); 50,000 capsules (customized)

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OWN Brand

Intergroup is supplying OEM service for the Well-known brands Reson and Ausreson. Alibaba International Station No.1 supplier, Alibaba International Station Number 1, Alibaba International Station Number one Customized logo is welcome, Packing as your requirement. offering private label

Cusrom Process

01 Contact us 02 Confirm Product Formula 03 Sample Confirmation 04 Deposit Payment 05 Factory Production 06 Product Quallty Inspectlon 07 Balance Payment 08 Dispatch and Delvery

Factory & Exhibition

Private Label design, fast delivery, USA Warehouse, European Warehouse, capsules factory,Softgels factory,tablets factory, pills factory, Gummies factory, Liquid Drops factory,Gum factory,solid beverage factory, customized factory, capsules manufacturer, Softgels manufacturer, tablets manufacturer, pills manufacturer, Gummies manufacturer, Liquid Drops manufacturer,Gum manufacturer,solid beverage manufacturer.

In order to better serve our global customers, we will participate in various large-scale exhibitions.Europe, North America

Certifications

We are a nutritional supplement raw material and nutritional supplement brand OEM manufacturing factory in China with ISO 22000, ISO 9001, HACCP Management certifications, GMP certificate the factory, HALAL, CE, CE-ROHS, Organic, KOSHER, NSF Product certifications.Our product's comprehensive certification standards.

Packaging

We promise to provide high-quality products, but please raise any quality issues within 15 days of receiving the package.

From concept to finished product, we are committed to quality, efficiency, and customer satisfaction. Let us help you bring your product to life!

FAQs

Q: What kind of OEM forms can you supply ?
A: Pre mix powder, Capsules, Tablets, pills, Softgel,drops, Gummy.

Q: What's the pill size?
A: Capsule: 2#,1#,0#, 00#. Tablet: Can customize like 500mg, 1000mg, 1500mg, 2000mg

Q: What are capsule shells made of ?
A: Gelatin,HPMC (Vegan), Enteric gelatin & enteric vegan shells.

Q: Can the formula be customized by our Own Formula?
A: Yes, The formula can be exact customized.

Q: Minimum Order Quantity (MOQ) ?
A: Small quantity sample can be customized according to your requirements. Official order MOQ: 100,000 pieces

Q: Can you supply bottles with private label?
A: Yes, all can be customized.

Q: What kind of certificates can you supply for your OEM capsules / Tablets?
A: Health certificate, Original certificate.