Browse our collection of high-quality supplements. Each supplement has been carefully researched and documented with detailed information about benefits, safety, and evidence.
Showing 351-375 of 714 supplements
Lactobacillus Acidophilus
Primary Benefits:
- Gut microbiome balance
- Immune system support
- Pathogen inhibition
- Digestive health maintenance
Secondary Benefits:
- Lactose digestion improvement
- Cholesterol reduction
- Vaginal health support
- Diarrhea prevention and treatment
- Potential allergy symptom reduction
- Potential mental health benefits
- Possible weight management support
- Oral health improvement
L-Tyrosine
Primary Benefits:
- Cognitive performance under stress
- Mood regulation
- Mental alertness
- Stress resilience
Secondary Benefits:
- Supports thyroid hormone production
- May help with dopamine synthesis
- Potential benefits for attention and focus
- May improve exercise performance in challenging conditions
- Supports adrenal function during stress
- May help with sleep deprivation effects
L-Valine
Primary Benefits:
- Muscle protein synthesis
- Energy production during exercise
- Tissue repair and growth
- Nitrogen balance maintenance
Secondary Benefits:
- Supports cognitive function
- May enhance exercise performance
- Contributes to immune function
- Helps regulate blood glucose levels
- Supports liver detoxification processes
- May aid in stress recovery
L-Tryptophan
Primary Benefits:
- Mood regulation
- Sleep quality improvement
- Stress and anxiety reduction
- Cognitive function support
Secondary Benefits:
- Supports protein synthesis
- May help with depression
- Contributes to niacin (vitamin B3) synthesis
- Supports immune function
- May help reduce carbohydrate cravings
- Potential pain-relieving effects
L-Theanine
Primary Benefits:
- Stress reduction
- Cognitive function
- Sleep quality improvement
Secondary Benefits:
- Immune support
- Blood pressure regulation
- Neuroprotection
- Attention enhancement
L-Threonine
Primary Benefits:
- Digestive health support
- Immune system function
- Collagen and elastin formation
- Liver function support
Secondary Benefits:
- Supports protein synthesis
- Contributes to intestinal mucin production
- Helps maintain gut barrier integrity
- May support neurological function
- Assists in fat metabolism
- Contributes to wound healing
L-Serine
Primary Benefits:
- Neuroprotection
- Cognitive function support
- Cellular membrane integrity
Secondary Benefits:
- Brain development
- Neurotransmitter synthesis
- Phospholipid formation
- Immune function
- Muscle metabolism
L-Taurine
Primary Benefits:
- Cardiovascular health
- Neuroprotection
- Antioxidant support
Secondary Benefits:
- Bile acid conjugation
- Osmoregulation
- Calcium signaling
- Insulin sensitivity
- Exercise performance
- Eye health
L-Selenocysteine
Primary Benefits:
- Antioxidant protection
- Immune system support
- Thyroid function regulation
Secondary Benefits:
- Detoxification support
- Cardiovascular health
- Cognitive function
- Cancer risk reduction
L-Proline
Primary Benefits:
- Collagen formation and skin health
- Joint and connective tissue support
- Wound healing acceleration
- Antioxidant protection
Secondary Benefits:
- Supports cardiovascular health
- May help with osteoarthritis
- Contributes to muscle tissue maintenance
- Potential benefits for skin elasticity and aging
- May support immune function
- Helps maintain gut barrier integrity
L-Pyrrolysine
Primary Benefits:
- Research compound only
- No established benefits in humans
Secondary Benefits:
- Potential research applications in protein engineering
- Theoretical applications in biotechnology
L-Phenylalanine
Primary Benefits:
- Neurotransmitter production
- Cognitive function support
- Mood regulation
- Pain management
Secondary Benefits:
- Supports protein synthesis
- May help with depression and anxiety
- Potential analgesic effects
- Supports thyroid hormone production
- May enhance alertness and focus
- Contributes to skin health
L-Ornithine
Primary Benefits:
- Ammonia detoxification
- Liver health support
- Exercise recovery
Secondary Benefits:
- Wound healing
- Immune function
- Growth hormone support
- Stress reduction
- Sleep quality improvement
L-Norleucine
Primary Benefits:
- Protein synthesis support
- Metabolic regulation
Secondary Benefits:
- Potential anticancer properties
- Protein misfolding prevention
- Leucine mimetic
L-Norvaline
Primary Benefits:
- Cardiovascular health
- Endothelial function
- Blood pressure regulation
Secondary Benefits:
- Exercise performance
- Cognitive function
- Immune modulation
L-Methionine
Primary Benefits:
- Antioxidant protection
- Detoxification support
- Methylation processes
- Cellular repair and maintenance
Secondary Benefits:
- Supports liver health
- Promotes healthy hair, skin, and nails
- Assists in heavy metal chelation
- Supports immune function
- May help reduce homocysteine levels
- Contributes to joint health
L-Leucine
Primary Benefits:
- Muscle protein synthesis stimulation
- Prevention of age-related muscle loss (sarcopenia)
- Metabolic health regulation
- Cellular energy production
Secondary Benefits:
- Wound healing acceleration
- Blood glucose regulation
- Immune system support
- Cognitive function support
- Exercise recovery enhancement
- Appetite regulation
L-Lysine
Primary Benefits:
- Collagen formation and tissue repair
- Immune system support
- Antiviral properties
- Calcium absorption and retention
Secondary Benefits:
- Supports protein synthesis
- May help manage herpes simplex virus outbreaks
- Promotes wound healing
- Supports hormone and enzyme production
- May help reduce anxiety
- Supports energy production
L-Isoleucine
Primary Benefits:
- Muscle protein synthesis
- Blood glucose regulation
- Energy production
- Immune function support
Secondary Benefits:
- Wound healing
- Hemoglobin formation
- Supports recovery from physical stress
- Helps maintain nitrogen balance
- May improve exercise performance
- Supports liver health
L-Homocysteine
Primary Benefits:
- None - elevated levels are associated with health risks
Secondary Benefits:
- None - primarily monitored as a biomarker rather than used as a supplement
L-Hydroxyproline
Primary Benefits:
- Skin health support
- Connective tissue maintenance
- Collagen synthesis support
Secondary Benefits:
- Joint health
- Wound healing support
- Antioxidant properties
- Potential anti-aging effects
L-Glycine
Primary Benefits:
- Sleep quality improvement
- Cognitive function support
- Anti-inflammatory effects
- Antioxidant protection
Secondary Benefits:
- Supports collagen synthesis
- May improve joint health
- Contributes to glutathione production
- Supports muscle growth and recovery
- May help regulate blood sugar
- Potential neuroprotective effects
L-Histidine
Primary Benefits:
- Antioxidant protection
- Anti-inflammatory effects
- Tissue repair and maintenance
- Hemoglobin synthesis
Secondary Benefits:
- Supports cognitive function
- Promotes joint health
- Aids in muscle development and repair
- Supports immune system function
- Helps maintain myelin sheath integrity
- Assists in detoxification processes
L-Glutamine
Primary Benefits:
- Intestinal health support
- Immune system function
- Muscle recovery and growth
- Antioxidant protection
Secondary Benefits:
- Supports gut barrier integrity
- May reduce exercise-induced muscle soreness
- Helps maintain acid-base balance
- Supports liver detoxification
- May improve glucose metabolism
- Potential benefits for inflammatory conditions
L-DOPA
Primary Benefits:
- Dopamine restoration in Parkinson's disease
- Motor function improvement
Secondary Benefits:
- Cognitive function support
- Mood regulation
- Growth hormone stimulation