Name: China Manufacturer Supply High Quality Zinc picolinate CAS 17949-65-4 with good service
Brand: Wuhan Fortuna Chemical Co., Ltd.

Items	Specifications	Results
Appearance	White Powder	White Powder
Odor	Characteristic	Characteristic
Identification-FTIR	IR spectra of sample compares Qualitatively to the IR spectra of The standard	conforms
Loss On Drying	NMT2.5%	1.4%
Particle Size	NLT95% through 60 mesh	96.0%
PH of 0.5% solution	5.0-8.0	7.0
Assay Zinc(from zinc picolinate)	20%-23%（dry basis）	20.3%
Cadmium	NMT 1 ppm	0.1ppm
Lead	NMT 1 ppm	0.5ppm
Mercury	NMT 0.3 ppm	0.1ppm
Arsenic	NMT 1 ppm	0.1ppm
Total Plate Count	≤3x 10³cfu/g	10cfu/g
Yeast and Mold	≤1x 10²cfu/g	10cfu/g
E.coli	Negative/10gm	Negative
Salmonella	Negative/10gm	Negative
S. aureus	Negative/10gm	Negative
Conclusion	The product by inspection accords with the standard of Enterprise Internal.

In simple terms, Zinc Picolinate is a specific form of the essential mineral zinc that is bound to picolinic acid. This combination is believed to enhance the absorption of zinc in the human body.

To break it down:

Zinc: An essential trace mineral that is crucial for numerous functions in the body, including immune system support, wound healing, DNA synthesis, cell division, and proper growth and development.
Picolinic Acid: A natural substance produced in the body (in the pancreas) that aids in the absorption of certain minerals, particularly zinc, in the intestines.

When you take Zinc Picolinate, you are taking a chelated form of zinc. Chelation is a process where a mineral is bound to an organic molecule (called a ligand or chelator), which in this case is picolinic acid. This structure is thought to make the mineral more stable and "bioavailable"—meaning your body can absorb and use it more efficiently.

How Does It Compare to Other Forms of Zinc?

Zinc supplements come in many forms, and they are not all created equal in terms of absorption. Here’s how Zinc Picolinate stacks up against other common forms:

Zinc Picolinate vs. Zinc Gluconate: Zinc Gluconate is one of the most common and inexpensive forms, often found in lozenges and cold remedies. While effective, some studies suggest that Zinc Picolinate has a higher absorption rate.
Zinc Picolinate vs. Zinc Citrate: Zinc Citrate is another well-absorbed form. The difference in absorption between citrate and picolinate is often considered minimal, and both are excellent choices.
Zinc Picolinate vs. Zinc Oxide: This is a key difference. Zinc Oxide is very poorly absorbed and is primarily used in topical creams (like diaper rash cream) and sunscreens. It is not a good source for dietary supplementation.

The Key Advantage: The primary reason people choose Zinc Picolinate is its high bioavailability. A famous 1987 study published in The American Journal of Clinical Nutrition found that picolinate forms of minerals, including zinc, were absorbed better than gluconate or citrate forms. While more research is always welcome, this study established picolinate's reputation as a highly effective chelated zinc.

Benefits and Uses of Zinc Picolinate

The benefits are the same as those of zinc in general, but potentially more effective due to better absorption:

Immune System Support: Zinc is vital for the normal development and function of immune cells. It's a popular supplement for preventing and reducing the duration of the common cold.
Skin Health and Acne: Zinc has anti-inflammatory properties and helps regulate oil production. It is commonly used to treat acne and promote wound healing.
Hormonal Health: Zinc plays a critical role in the production of hormones, including testosterone in men. It is essential for reproductive health.
Cognitive Function: Zinc is concentrated in the brain's hippocampus and is involved in nerve signaling and brain health.
Antioxidant Properties: It is a component of the antioxidant enzyme superoxide dismutase (SOD), which helps protect cells from damage caused by free radicals.

Potential Side Effects and Precautions

Zinc Picolinate is generally safe for most people when taken at recommended doses. However, potential side effects can occur, especially with high doses:

Nausea and Stomach Upset: This is the most common side effect, often mitigated by taking the supplement with food.
Metallic Taste: Some people experience a metallic taste in their mouth.
Copper Deficiency: Long-term, high-dose zinc supplementation (typically above 50 mg per day for extended periods) can interfere with copper absorption, leading to a deficiency. This is why many zinc supplements now include a small amount of copper.
Drug Interactions: Zinc can interact with certain antibiotics (quinolones and tetracyclines) and penicillamine (a drug for rheumatoid arthritis). It's best to take zinc supplements a few hours apart from these medications.

Who Should Consider Taking It?

Individuals with a diagnosed zinc deficiency.
People following vegetarian or vegan diets (zinc from plant sources is less bioavailable).
Those with digestive conditions like Crohn's disease or celiac disease that can impair absorption.
Older adults, who may have reduced absorption.
Anyone looking for a highly absorbable form of zinc for general immune or skin support.

Important Recommendation

Always consult with a healthcare professional before starting any new supplement regimen. They can help you determine if you need a zinc supplement, recommend the appropriate dosage, and ensure it won't interact with any existing health conditions or medications you are taking.

In summary, Zinc Picolinate is a highly bioavailable form of zinc, making it an excellent choice for supplementation when dietary intake is insufficient or when higher absorption is desired for specific health goals.