Choline capsules OEM manufacturer | brain health supplements

Last updated June 2026

Product Name	Alpha GPC Choline 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
Function	Supports brain and nervous system health Maintains liver health Promotes cell structure and function Aids metabolic and cardiovascular health Promotes pregnancy and fetal development
Keywords	Choline capsules, Choline capsules for brain, Choline supplement
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Shelf Life	24 Months

About Choline capsules.

• A Comprehensive Focus Boost Supplement: Choline is an essential nutrient for the nervous system, helping to enhance focus and cognitive abilities. While the body can synthesize small amounts of choline, its low bioavailability necessitates obtaining more from external sources. As a precursor to acetylcholine, choline is converted into acetylcholine in the brain, supporting cognitive function and enhancing focus, memory, and mental clarity.
• Just Two Capsules: Our potent VitaCholine formula requires only two (2) vegetarian liquid capsules taken daily with meals (or as directed by your healthcare professional). Each bottle of choline supplement contains 60 (60) capsules, enough for two (2) months, ensuring you receive adequate nutritional support for optimal performance.
• Mental Clarity: Choline is essential for the synthesis of the neurotransmitter acetylcholine, which is crucial for the nervous system and brain function. Reson choline supplements provide 500 mg daily for effective enhancement of mental acuity and focus.
• Superior Quality: Reson is committed to providing products made with high-quality ingredients, ensuring your peace of mind. Our high-concentration choline supplement is certified by a non-GMO program and contains no soy or gluten.

Dual Mechanisms of Cognitive Enhancement

• Choline supports brain health through two unique pathways. First, it is a direct precursor to acetylcholine, a neurotransmitter responsible for learning, memory, and attention. Second, choline participates in methylation processes, influencing gene expression and neuroprotection. Recent research in the *American Journal of Clinical Nutrition* shows that continuous choline supplementation can improve memory test scores in middle-aged individuals by 15-20%.

Technical Parameter Analysis:

• Bioavailability Comparison: Citrate choline has an absorption rate of 45%, while α-GPC choline reaches an astonishing 95%.
• Blood-Brain Barrier Penetration: Phosphatidylcholine derivatives are 3.2 times more efficient than choline chloride.
• Plasma Half-Life: High-quality choline supplements maintain effective concentrations for 8-12 hours.

The Silent Guardian of Liver Health

• Choline prevents non-alcoholic fatty liver disease (NAFLD) by promoting hepatic fat output. In high-fat diets in Europe and America, choline deficiency can lead to a 300% increase in liver fat accumulation. Choosing the right form of choline capsules makes a significant difference in liver protection.

OEM Service
We offer OEM services, please contact us for more information>>
Product Type	Capsules,Softgels,Tablets,Gummies,Liquid Drops,Gum,solid beverage and other customized products
Packaging	Bottles, Bags, Bulk, Blister packs, Custom
Formulas	Standard formulas or custom formulas
Flavor	OEM Sugar Free Natural Orange, Lemon, Apple, Grape,Strawberry,Watermelon,Fruit or any other Flavors you want
OEM service	Support OEM&ODM Custom service,Different Formula，Flavors, Shapes，Bottle ，Color

Our Manufacturing Expertise:

Choline Types: Alpha-GPC / Choline Citrate / Phosphatidylcholine — Customizable

Choline Content per Capsule: 500mg — Customizable (250–1000mg)

Absorption Rate: Alpha-GPC 95% vs. Choline Citrate 45% — Customizable

Blood-Brain Barrier Penetration: Phosphatidylcholine derivatives are 3.2 times more efficient

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

Content Uniformity: Tested per batch (RSD ≤ 5%)

Capsule Type: Gelatin capsules (standard); HPMC vegetarian capsules (optional)

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

How Alpha-GPC Choline Supports Cognitive Health

1. Supports Memory & Focus

Choline is a precursor to acetylcholine, a neurotransmitter essential for learning, memory, and attention.

2. Supports Nervous System Health

Choline contributes to normal nervous system function and neurotransmitter synthesis.

3. Supports Liver Health

Choline plays a role in normal liver function and fat metabolism.

4. Alpha-GPC – Superior Bioavailability

Alpha-GPC is a highly bioavailable form of choline that effectively crosses the blood-brain barrier.

Frequently Asked Questions

Q: Are choline capsules suitable for vegetarians?

• A: Most choline capsules use synthetic or soy-derived choline, making them suitable for vegetarians. However, it's necessary to check the capsule shell ingredients, as some use bovine bone gelatin. British brands like Viridian offer completely vegan formulas.

Q: Can choline be used simultaneously with nootropic drugs (such as modafinil)?

• A: Limited studies suggest a possible synergistic effect, but it's recommended to take them 2-3 hours apart and consult a medical professional, especially for US consumers who should be aware of potential interactions.

Q: How can I determine the quality of choline capsules?

• A: Check third-party laboratory test results, especially reports on heavy metals, microbial contamination, and dosage accuracy. Reputable brands like Thorne Research, manufactured in California, provide a Certificate of Analysis (COA) for each batch.

Q: Are there any side effects from choline supplementation?

• A: Extremely high doses (above 3500mg daily) may cause a fishy odor or gastrointestinal discomfort. Starting with a low dose and taking it with meals can minimize discomfort. The European Food Safety Authority sets a safe upper limit of 3500mg daily.

Q: Does choline have different effects on different age groups?

• A: Yes. Younger people may experience more cognitive enhancement, while users over 50 may focus more on liver support and memory maintenance. A Boston University study found that higher choline intake reduced the risk of dementia in older adults by 28%.

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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.