What is the difference between copper gluconate and glycinate?

Pure Encapsulations Copper (glycinate) is a chelated form of copper. Much like copper gluconate which is copper bound to gluconic acid, glycine is bound to the copper. A mineral chelate is when the complex forms a protective shell around the mineral, offering support for digestion stability and absorption. Both chelated forms of copper would have similar bioavailability.

Q:Is any part of this product (raw material, capsule, etc) sourced from China?

How does the reviewer know that no ingredients are sourced from China. Most supplements have something in them sourced from China. Be careful how you answer, site your source.

Why are these copper pills solid blue ? The previous ones were white with blue specs

Copper is characteristically a blue color. Some copper lots have a low density when measured, so the weighing team uses more by volume (but not by dose) to make up for that. This does affect the shade of blue of the copper. The variation you are observing is common, and does not affect the quality or viability of the product.

What is the difference between copper glycinate vs copper citrate?

Both copper citrate and copper glycinate would be comparable for absorption. Some individuals prefer citrate forms of minerals because of the number of studies on this mineral chelate, others look to avoid citrates as some individuals can have trouble tolerating them (this is rare).

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Copper (Glycinate), 60 Capsules

Product ID: 3688383

Details

Brand
Pure
Flavor
Unflavored
Item Form
Capsule
Primary Supplement Type
Copper
Unit Count
60 Count

⚡Boosts energy metabolism enzymes

🔴Supports red blood cell & hemoglobin formation

🧬2 mg bioavailable copper glycinate

19172CFA

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Description

⚡ Elevate your energy & wellness with pure copper power!

FUEL YOUR VITALITY - Supports the natural formation of red blood cells and hemoglobin, essential for sustained energy and endurance.
METABOLIC POWERHOUSE - Activates key enzymes that drive your body's energy metabolism, keeping you sharp and energized all day.
PURE CLEAN CONFIDENCE - Crafted without gluten, GMOs, allergens, or artificial additives—because what’s left out matters as much as what’s in.
TRUSTED QUALITY PROVEN RESULTS - Backed by expert formulation and rigorous testing, with a 4.6-star rating from over 3,800 health-conscious users.
PRECISION DOSAGE MAXIMUM IMPACT - Each capsule delivers a potent 2 mg of highly absorbable copper glycinate for optimal health benefits.

Pure Encapsulations Copper (Glycinate) offers 2 mg of highly bioavailable copper per capsule, supporting red blood cell formation and energy metabolism. Free from common allergens, GMOs, and artificial ingredients, this vegetarian supplement is crafted with premium quality standards and trusted by thousands for effective nutritional support.

Specifications

ASIN	B000H7Y6J2
ASIN	B000H7Y6J2
Age Range Description	Adult
Best Sellers Rank	#3,801 in Health & Household ( See Top 100 in Health & Household ) #1 in Copper Mineral Supplements
Brand Name	Pure Encapsulations
Customer Reviews	4.6 4.6 out of 5 stars (3,851)
Date First Available	September 13, 2007
Diet Type	Vegetarian
Flavor	Unflavored
Global Trade Identification Number	00766298000695
Item Form	Capsule
Item Weight	0.27 g
Item model number	766298000695
Manufacturer	Pure Encapsulations
Manufacturer	Pure Encapsulations
Manufacturer Part Number	CUG6
Material Type Free	Gluten Free
Model Number	766298000695
Number of Items	1
Primary Supplement Type	Copper
Product Benefits	Metabolism Improvement, Nutritional Support
Product Dimensions	2.9 x 1.4 x 0.9 inches; 0.01 ounces
UPC	766298000695
Unit Count	60 Count

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