Supplement · coenzyme
Alpha-Lipoic Acid
Quick read: Alpha-Lipoic Acid (ALA) is a naturally occurring dithiol compound and a vital coenzyme synthesized endogenously in human mitochondria.
Quick facts · R-Alpha-Lipoic Acid
- Dose
- 200 mg
- Per day
- 400 mg
- Timing
- First half of the day · Between meals · Twice a day
- Course
- 90 days + break 30 days
- Strongest effect
- Antioxidant Protection EnhancementVery highTheoretical
Scientific background
Form & dosage
- Single dose
- 200 mg
- Daily
- 400 mg
- Course
- 90 days
- Break
- 30 days
- Timing
- First half of the day · Between meals · Twice a day
- Single dose
- 150 mg
- Daily
- 300 mg
- Course
- 90 days
- Break
- 30 days
- Timing
- First half of the day · Twice a day
- Single dose
- 0.5 ml
- Daily
- 1 ml
- Course
- 365 days
- Timing
- Twice a day
- Single dose
- 300 mg
- Daily
- 600 mg
- Course
- 90 days
- Break
- 30 days
- Timing
- First half of the day · Between meals · Twice a day
How we rate evidence
Probability — how likely the effect is to show up
- Very high
- High
- Medium
- Low
Evidence — where the data comes from
- Scientific Meta-analyses and randomized trials
- Clinical Clinical trials and practice
- Animal research Animal studies
- People reports User reports and anecdotes
- Theoretical Mechanistic reasoning, not yet tested
Effects
Very high probability(1)
- Antioxidant Protection Enhancementhealththeoretical
Alpha-Lipoic Acid is a unique antioxidant that works in both water and fat environments, effectively neutralizing free radicals and regenerating other crucial antioxidants like glutathione and vitamins C and E, thereby significantly boosting the body's overall protective shield against oxidative stress.
High probability(3)
- Insulin Sensitivity Improvementhealththeoretical
Alpha-Lipoic Acid significantly enhances the ability of your cells to respond to insulin, facilitating more efficient glucose uptake from the bloodstream. This helps to stabilize blood sugar levels and improve metabolic health, particularly beneficial for those managing glucose imbalances.
- Blood Glucose Level Supporthealththeoretical
By improving insulin signaling and glucose utilization, Alpha-Lipoic Acid helps maintain healthy blood sugar levels, reducing post-meal spikes and promoting more consistent energy throughout the day.
- Neuroprotective Effecthealththeoretical
Alpha-Lipoic Acid's ability to cross the blood-brain barrier allows it to combat oxidative stress and inflammation directly within neural tissues, offering significant protection to nerve cells from various forms of damage, which is particularly noted in improving nerve health and reducing neuropathic symptoms.
Medium probability(9)
- Cardiovascular System Supporthealthclinical
Through its multifaceted actions on insulin sensitivity, oxidative stress, and inflammation, Alpha-Lipoic Acid offers comprehensive support for cardiovascular health, contributing to healthier blood vessels and optimal heart function.
- Immune System Supporthealthclinical
Alpha-Lipoic Acid supports robust immune function by boosting the body's natural antioxidant defenses and regenerating glutathione, a key component for the optimal performance of immune cells.
- Cellular Energy Supporthealthclinical
As a vital cofactor for key mitochondrial enzymes, Alpha-Lipoic Acid supports the efficient conversion of nutrients into cellular energy (ATP), optimizing your body's energy production at a fundamental level.
- Skin Health Improvementhealthclinical
Oral Alpha-Lipoic Acid contributes to overall skin health by reducing systemic oxidative stress and inflammation, which can indirectly lead to improved skin elasticity, tone, and a more youthful appearance over time.
- Liver Health Supporthealthclinical
Alpha-Lipoic Acid aids liver health by boosting its antioxidant defense, regenerating crucial detoxification compounds like glutathione, and supporting healthy fat metabolism, all of which contribute to the liver's ability to cleanse and protect itself.
- Detoxification Process Supporthealthclinical
By regenerating glutathione and its ability to chelate certain heavy metals, Alpha-Lipoic Acid significantly enhances the body's natural detoxification pathways, supporting the liver in processing and eliminating toxins more effectively.
- DNA Damage Protectionhealthclinical
Alpha-Lipoic Acid actively safeguards your genetic material by neutralizing DNA-damaging free radicals and supporting cellular repair mechanisms, thereby promoting genomic stability and cellular health.
- Fatigue Reductionpsycheclinical
By optimizing cellular energy production and glucose utilization, Alpha-Lipoic Acid can help alleviate feelings of physical and mental fatigue, promoting a more sustained sense of energy throughout the day.
- Inflammation Reductionhealthclinical
Alpha-Lipoic Acid helps to dampen chronic inflammation by modulating key signaling pathways, thereby contributing to overall cellular health and reducing inflammatory burden throughout the body.
Low probability(4)
- Weight Management Supporthealthclinical
Alpha-Lipoic Acid can subtly support weight management by enhancing insulin sensitivity and promoting more efficient glucose and fat utilization, contributing to improved metabolic balance rather than being a direct weight loss solution.
- Autophagy Supporthealthanimal_research
Alpha-Lipoic Acid shows potential in supporting cellular autophagy, the body's natural process of clearing out damaged components and recycling cellular materials, contributing to cellular rejuvenation and health.
- Longevity and Anti-Aging Supporthealthanimal_research
By robustly combating oxidative stress, supporting mitochondrial function, and modulating inflammation, Alpha-Lipoic Acid addresses several key mechanisms of aging at a cellular level, theoretically contributing to cellular resilience and longevity over time.
- Blood Flow Improvementbodyclinical
Alpha-Lipoic Acid can contribute to healthier blood flow by supporting endothelial function and reducing oxidative stress within blood vessels, thereby promoting better circulation, particularly in microvasculature.
Side effects
Medium probability(1)
- Nauseahealthclinical
Feeling queasy or an upset stomach can occur, especially when starting Alpha-Lipoic Acid or taking it on an empty stomach.
Low probability(4)
- Hypoglycemiahealththeoretical
As Alpha-Lipoic Acid can improve glucose metabolism, a drop in blood sugar levels might occur, particularly in individuals with diabetes or those on blood sugar-lowering medications, causing symptoms like shakiness or dizziness.
- Garlic Breath/Body Odorbodypeople_reports
A distinctive garlic-like or sulfurous odor may be noticed on your breath or from your skin, a harmless but common byproduct of Alpha-Lipoic Acid's metabolism.
- Digestive Discomforthealthclinical
General abdominal discomfort, such as mild cramping or a feeling of fullness, may arise as your digestive system adjusts to the supplement.
- Diarrheahealthclinical
Some individuals may experience looser or more frequent bowel movements, particularly when beginning supplementation or with higher doses.
Low probability(5)
- Dizzinessmindpeople_reports
A feeling of lightheadedness or unsteadiness can sometimes occur, often linked to fluctuations in blood sugar levels, especially if you're prone to hypoglycemia.
- Headachehealthpeople_reports
A mild headache can be a non-specific side effect, usually temporary and often diminishing with continued use or dosage adjustment.
- Increased Sweatinghealththeoretical
Increased perspiration can occur, particularly as a symptom if your blood sugar levels drop too low due to the supplement's effects.
- Skin Rash / Irritationbodypeople_reports
Though infrequent, minor skin reactions like redness, itching, or a mild rash can occur due to individual sensitivity to Alpha-Lipoic Acid.
- Allergic Reactionhealthclinical
In rare cases, a more significant allergic response, such as hives or swelling, may develop, necessitating immediate medical attention.