Aspartic Acid
Description
Aspartic Acid, chemically known as aspartate, is one of the 20 common amino acids that are the building blocks of proteins. It is involved in critical biochemical processes such as the synthesis of other amino acids (e.g., asparagine, methionine, threonine, isoleucine, lysine) and nucleotides. It also plays a key role in the Krebs cycle, contributing to energy production, and in the urea cycle, which helps eliminate ammonia from the body. As a neurotransmitter, it acts as an excitatory agent in the brain.
Sources
MeatPoultryEggsDairy productsFishLegumesNutsSeedsWhole grainsAsparagusAvocadoSugarcane
Timing & Intake
Anytime
Aspartic Acid can generally be taken at any time of day, with or without food, as part of a balanced diet or supplement regimen. Specific forms like D-Aspartic Acid may have different timing recommendations based on their intended use (e.g., hormone support).
Optimal Dosage
Minimum1000 mg
Maximum3000 mg
Safety & Toxicity
Interactions
Product stats
Price per product
Average$23.58
Median$19.99
Price per serving
Average$0.56
Median$0.59
Price per 100 mg
Average$0.36
Median$0.35
Price distribution
Price per serving distribution
Price per 100 mg
Reference amount: 100 mg
Forms
Paired ingredients
Ingredient forms
Magnesium Aspartate (3) 4
Magnesium Aspartate combines magnesium with aspartic acid, which serves as a carrier to enhance the mineral's absorption. Magnesium is crucial for over 300 enzymatic reactions in the body, including those involved in energy production, muscle function, and nerve transmission. For testosterone support, adequate magnesium intake is known to reduce sex hormone-binding globulin (SHBG), thereby increasing the availability of free, biologically active testosterone.
Pros
- Enhanced absorption of magnesium
- Supports free testosterone levels by reducing SHBG
- Essential for muscle and nerve function
Cons
- May cause mild digestive upset (e.g., diarrhea) in high doses
Per product
Avg$19.47
Med$20.69
Per serving
Avg$0.37
Med$0.34
Per 100 mg
Avg$0.15
Med$0.16
Price distribution
L-Aspartic Acid (1) 2
L-Aspartic Acid is one of the 20 common amino acids that are fundamental building blocks for proteins in the human body. It participates in various metabolic pathways, including the urea cycle and gluconeogenesis, and also functions as a neurotransmitter. While D-Aspartic Acid (D-AA) has been studied for its potential role in testosterone regulation, L-Aspartic Acid does not exhibit the same direct effects on testosterone levels. Its primary benefits are related to general protein metabolism.
Pros
- Essential building block for proteins
- Involved in energy metabolism and detoxification processes
Cons
- No direct evidence for testosterone support in this L-form
- Less effective for this specific goal compared to D-Aspartic Acid or magnesium forms
Per product
Avg$11.39
Med$11.39
Per serving
Avg$0.37
Med$0.37
Per 100 mg
Avg$0.06
Med$0.06
Price distribution
Magnesium Aspartic Acid Complex (1) 4
This complex provides magnesium chelated with aspartic acid, aiming to maximize the mineral's bioavailability and absorption. Magnesium is vital for numerous physiological processes, including ATP production, nerve and muscle function, and maintaining electrolyte balance. Regarding testosterone, adequate magnesium intake is associated with higher free testosterone levels, primarily by decreasing sex hormone-binding globulin (SHBG), which binds to testosterone and renders it inactive. The aspartic acid helps facilitate magnesium's entry into cells.
Pros
- Excellent bioavailability of magnesium
- Supports free testosterone by reducing SHBG
- Essential for muscle and nerve function
Cons
- High doses may lead to gastrointestinal discomfort, such as loose stools
Per product
Avg$11.39
Med$11.39
Per serving
Avg$0.37
Med$0.37
Per 100 mg
Avg$0.06
Med$0.06
Price distribution