février 26, 2026 longcha9

Alpha Lipoic Acid (CAS 1077-28-7): Complete Guide, Benefits, Dosage & Side Effects

Alpha Lipoic Acid (CAS 1077-28-7), also known as Thioctic Acid ou ALA, is a powerful antioxidant that has gained significant attention in the health and wellness industry. With approximately 27,100 monthly searches, alpha lipoic acid is one of the most sought-after nutritional supplements for managing oxidative stress, supporting metabolic health, and promoting overall wellness.

This comprehensive guide covers everything you need to know about alpha lipoic acid, including its benefits, side effects, recommended dosage, and how it compares to other forms of lipoic acid.


What is Alpha Lipoic Acid?

Alpha Lipoic Acid (ALA) is a naturally occurring organosulfur compound that is synthesized in small amounts by the human body. It is found in every cell and serves as a crucial cofactor for mitochondrial enzymes involved in energy production.

What makes alpha lipoic acid unique is its dual solubility – it can dissolve in both water and fat, allowing it to work in every cell of the body, including the brain and nervous system. This characteristic makes it one of the most versatile antioxidants available.

Key Facts:

  • CAS Number: 1077-28-7
  • Formule moléculaire : C8H14O2S2
  • Molecular Weight: 206.33 g/mol
  • Other Names: Thioctic Acid, 6,8-dithiooctanoic acid, ALA
  • Search Volume: 27,100/month
  • Keyword Difficulty: 42 (Moderate)

How Does Alpha Lipoic Acid Work?

Understanding how alpha lipoic acid works is essential for appreciating its numerous health benefits. This powerful compound operates through multiple mechanisms:

1. Direct Antioxidant Activity

Alpha lipoic acid directly neutralizes harmful free radicals and reactive oxygen species (ROS), protecting cells from oxidative damage that contributes to aging and chronic diseases.

2. Antioxidant Regeneration

ALA has the remarkable ability to regenerate other essential antioxidants, including:

  • Vitamine C
  • Vitamin E
  • Glutathione

This regenerative effect amplifies the body’s natural defense systems.

3. Metal Chelation

Alpha lipoic acid binds to heavy metals like iron and copper, preventing metal-catalyzed oxidative damage that can lead to cellular dysfunction.

4. Insulin Sensitivity Enhancement

Research shows that ALA improves insulin sensitivity by activating the PI3K/Akt signaling pathway, which is crucial for cellular glucose uptake and metabolism.


Top 10 Benefits of Alpha Lipoic Acid

1. Supports Blood Sugar Control

Alpha lipoic acid has been extensively studied for its role in glucose metabolism. It helps improve insulin sensitivity and may lower blood sugar levels, making it beneficial for individuals with type 2 diabetes. Studies show doses of 300-600mg daily can improve insulin sensitivity by up to 25%.

2. Manages Diabetic Neuropathy

One of the most established benefits of ALA is its effectiveness in treating diabetic peripheral neuropathy. Clinical trials demonstrate significant improvements in sensory deficits, neuropathic pain, and nerve function in diabetic patients supplemented with alpha lipoic acid.

3. Powerful Antioxidant Protection

As a potent antioxidant, ALA helps combat oxidative stress, which is linked to numerous chronic conditions including heart disease, cancer, and neurodegenerative disorders.

4. Supports Weight Loss Efforts

With 1,900 monthly searches for “alpha lipoic acid weight loss,” this supplement is popular for weight management. Research suggests ALA may help reduce body weight by improving metabolism and decreasing appetite.

5. Promotes Heart Health

Alpha lipoic acid helps protect heart health by reducing oxidative stress, improving lipid profiles, and enhancing endothelial function.

6. Supports Cognitive Function

Due to its ability to cross the blood-brain barrier, ALA may help protect brain cells from oxidative damage and support cognitive function as we age.

7. Reduces Inflammation

Chronic inflammation is at the root of many diseases. Alpha lipoic acid exerts anti-inflammatory effects through modulation of NF-κB signaling pathway, reducing pro-inflammatory cytokines.

8. Supports Liver Health

ALA has been used traditionally and continues to be studied for its hepatoprotective properties, helping to protect the liver from damage and support detoxification processes.

9. May Slow Aging Process

By combating oxidative stress at the cellular level, alpha lipoic acid may help slow certain aspects of the aging process and promote longevity.

10. Enhances Energy Production

As a cofactor for mitochondrial enzymes, ALA plays a crucial role in converting nutrients into cellular energy (ATP production).


Alpha Lipoic Acid Side Effects: What You Need to Know

Understanding potential side effects is crucial when considering alpha lipoic acid supplementation. According to research and user reports:

Common Side Effects

  • Headache
  • Heartburn
  • Nausea and vomiting
  • Skin rash (when applied topically)

Who Should Avoid ALA?

  • Individuals with thyroid disorders (may affect thyroid function)
  • People with biotin deficiency
  • Those scheduled for surgery (discontinue at least 2 weeks prior)
  • Pregnant or breastfeeding women (consult healthcare provider)

Drug Interactions

Alpha lipoic acid may interact with:

  • Diabetes medications (may enhance hypoglycemia effects)
  • Thyroid medications
  • Iron supplements
  • Chemotherapy agents

Important: Always consult with a healthcare professional before starting any new supplement regimen.


Recommended Dosage of Alpha Lipoic Acid

The optimal dosage depends on the intended use. Here’s a comprehensive breakdown:

Application Daily Dosage Notes
General Antioxidant Support 300-600 mg Single or divided doses
Diabetic Neuropathy 600-1,200 mg Clinical studies use 600mg IV or oral
Insulin Resistance 300-600 mg Best taken with meals
Cognitive Support 300-600 mg Morning or afternoon
Weight Management 300-600 mg Before meals

When to Take Alpha Lipoic Acid

For optimal absorption, take alpha lipoic acid:

  • 30-60 minutes before meals (typically breakfast and/or lunch)
  • On an empty stomach for better absorption
  • Avoid taking late evening as it may affect sleep in some individuals

R-Alpha Lipoic Acid vs Alpha Lipoic Acid: What’s the Difference?

One of the most common questions is about the difference between R-alpha lipoic acid and regular (DL) alpha lipoic acid. Here’s what you need to know:

Feature R-Alpha Lipoic Acid DL-Alpha Lipoic Acid
Formulaire Biological active form Synthetic mixture
Composition 100% R-isomer 50% R + 50% S isomers
Bioavailability Higher Lower
Effectiveness More potent Less potent
Price More expensive More affordable
Search Volume 1,200/month Part of main keyword

Conclusion : R-alpha lipoic acid is the biologically active form naturally produced in the body. While more expensive, it may be more effective at lower doses.


Alpha Lipoic Acid for Specific Conditions

For Diabetes Management

With 1,300 monthly searches for “alpha lipoic acid for diabetes,” this is a popular topic. Clinical evidence supports that ALA can help:

  • Improve insulin sensitivity
  • Lower fasting blood glucose levels
  • Reduce diabetic neuropathy symptoms
  • Decrease oxidative stress markers

For Weight Loss

Le 1,900 searches/month for “alpha lipoic acid weight loss” reflect its popularity for weight management. While not a magic weight loss solution, ALA may:

  • Boost metabolism
  • Reduce appetite
  • Enhance fat burning
  • Improve exercise performance

For Neuropathy

Alpha lipoic acid is FDA-approved for diabetic neuropathy treatment in Germany and has been used clinically for decades. The 720 monthly searches for “alpha lipoic acid neuropathy” reflect its established use for nerve pain relief.


Food Sources of Alpha Lipoic Acid

While supplements are the most common way to achieve therapeutic doses, alpha lipoic acid is also found in certain foods:

  • Organ meats (kidney, liver, heart)
  • Épinards
  • Broccoli
  • Tomatoes
  • Peas
  • Brussels sprouts
  • Beets
  • Carrots

Note: Dietary sources typically provide much lower amounts than supplements, making supplementation beneficial for therapeutic purposes.


Frequently Asked Questions

Q: How long does it take for alpha lipoic acid to work?

A: Some users report benefits within a few weeks, but most clinical studies show significant improvements after 4-8 weeks of consistent supplementation.

Q: Can I take alpha lipoic acid with vitamins?

A: Yes, ALA actually works synergistically with other antioxidants like vitamins C and E. Some experts recommend taking B-complex vitamins alongside ALA for enhanced benefits.

Q: Is alpha lipoic acid safe for long-term use?

A: Yes, studies have shown alpha lipoic acid is safe for long-term use at recommended doses. However, always consult your healthcare provider for personalized advice.

Q: Does alpha lipoic acid cause weight gain?

A: No, there is no evidence that ALA causes weight gain. Some studies actually suggest it may support weight loss efforts.

Q: Can I take alpha lipoic acid with diabetes medication?

A: Caution is advised as ALA may enhance the blood sugar-lowering effects of diabetes medications. Monitor blood sugar closely and consult your doctor.

Q: What is the best time to take alpha lipoic acid?

A: For best absorption, take ALA 30-60 minutes before breakfast and/or lunch. Avoid taking it close to bedtime as it may interfere with sleep in some people.


Conclusion

Alpha Lipoic Acid (CAS 1077-28-7) is a remarkable compound with extensive scientific support for its health benefits. From supporting blood sugar control and managing diabetic neuropathy to providing powerful antioxidant protection, ALA has earned its place as one of the most valuable supplements for optimal health.

With a search volume of 27,100 monthly searches and a moderate keyword difficulty of 42, there is significant interest in this ingredient. Whether you’re looking to support metabolic health, protect against oxidative stress, or manage specific conditions like diabetes, alpha lipoic acid offers a well-researched option worth considering.

As with any supplement, it’s essential to consult with a healthcare professional to determine if alpha lipoic acid is appropriate for your individual needs and to establish the correct dosage.


Ready to Experience the Benefits of Alpha Lipoic Acid?

As a leading manufacturer and supplier of high-quality Alpha Lipoic Acid, Longchang Chemical offers:

  • ✅ High purity (≥99%) Alpha Lipoic Acid
  • ✅ Competitive factory pricing
  • ✅ Multiple grades: USP, EP, Food Grade
  • ✅ Complete technical documentation (COA, MSDS)
  • ✅ Global shipping with proper customs documentation
  • ✅ Professional technical support

Contact Us Today:

Courriel : info@longchangchemical.com
Website: https://longchangextracts.com

Keywords: alpha lipoic acid, CAS 1077-28-7, thioctic acid, ALA supplement, alpha lipoic acid benefits, alpha lipoic acid side effects, alpha lipoic acid dosage, r-alpha lipoic acid, alpha lipoic acid for diabetes, alpha lipoic acid weight loss


Related Products

Explore more related chemical products from Longchang Chemical:

All Products: View All Products

Donner un nouveau souffle à la chimie.

Qingdao Adresse : No. 216 Tongchuan Road, Licang District, Qingdao.

Jinan Adresse :No. 1, North Section Of Gangxing 3rd Road, Jinan Area Of Shandong Pilot Free Trade Zone, Chine.

Adresse de l'usine : Zone de développement de Shibu, ville de Changyi, ville de Weifang.

Contactez-nous par téléphone ou par e-mail.

Courriel : info@longchangchemical.com

 

Tel & WA : +8613256193735

Remplissez le formulaire et nous vous contacterons dès que possible !

Veuillez indiquer le nom de votre entreprise et votre nom personnel.
Nous vous contacterons par l'intermédiaire de l'adresse électronique que vous avez indiquée.
Si vous avez des questions supplémentaires, veuillez les poser ici.
fr_FRFrench