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Proline

notesDescription

Proline is a unique, cyclic non-essential amino acid, meaning the body can synthesize it, though dietary intake also contributes. Its distinctive structure plays a critical role in forming the triple helix of collagen, the most abundant protein in the human body. This makes Proline indispensable for maintaining the structural integrity of various tissues. The primary function of Proline is its involvement in collagen synthesis, which is vital for the strength and elasticity of skin, tendons, ligaments, cartilage, and bones. It contributes significantly to tissue repair and regeneration, making it important for wound healing and recovery from injuries. Beyond structural support, Proline is also involved in various metabolic processes, including protein synthesis and cellular energy production. It is often sought for its benefits in promoting healthy skin, supporting joint mobility, and aiding in the body's natural healing processes.

ecoSources
Meat (beef, chicken, pork)FishDairy products (milk, cheese, yogurt)EggsBone brothLegumesAsparagusMushrooms
Cheapest Proline supplements
Compare the cheapest Proline amino acid supplements for supporting both bone and skin health, helping you find the best value.
Best Proline supplements
Discover the best Proline supplements for supporting bone health and promoting radiant skin.
Value Proline amino acid supplements
Compare the best value Proline amino acid supplements designed to support your bone and skin health goals effectively.
check_circleOptimal Dosage
Minimum500 mg
Maximum1000 mg
report_problemSafety & Toxicity
track_changesGoals
Bone Health
accessibility_newBone Health
Impact
High effect
Typical dose:500–2000 mg
Proline is a critical building block for the collagen that forms about 30% of bone mass. Supplementing with proline supports the synthesis of this flexible framework. Its priority should be high, logically placed just below supplementing with whole collagen peptides.
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Skin Health
face_retouching_naturalSkin Health
Impact
High effect
Typical dose:500–2000 mg
Proline is one of the primary amino acids that make up the structure of collagen. Supplementing with proline can provide the necessary raw materials to support the body's production of collagen, which is essential for skin firmness and elasticity. Its effect is most pronounced when paired with other cofactors like Vitamin C.
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sync_altInteractions

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Vitamin C
Vitamin C is an essential cofactor for the enzymes involved in collagen synthesis, working synergistically with Proline to form stable collagen fibers.
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Collagen
Proline is a major constituent of collagen; supplementing with both can enhance the body's collagen stores and synthesis.
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Glycine
Glycine is another primary amino acid in collagen, working alongside Proline to build and maintain connective tissues.
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Lysine
Lysine is important for collagen cross-linking, which enhances collagen's strength and stability, complementing Proline's role in collagen formation.
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Lysine
Lysine is important for collagen cross-linking, which enhances collagen's strength and stability, complementing Proline's role in collagen formation.
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Copper
Copper is required for lysyl oxidase, an enzyme that helps cross-link collagen and elastin, thus supporting the structural integrity built by Proline.
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Zinc
Zinc plays a role in protein synthesis and wound healing, both of which are processes where Proline's role in collagen formation is crucial.
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Hyaluronic Acid
Both Proline (via collagen) and Hyaluronic Acid contribute to skin hydration, elasticity, and joint lubrication, offering synergistic benefits for connective tissue health.
inventory_2Recommended products
91 Value Caprotein

Caprotein

Mt. Capra
4.6
★★★★★
(890 ratings)
Proline: 813 mg
A whole-food goat milk protein that supports bone and hair health through a natural blend of amino acids and calcium.
Buy for $44.1(from Pure Formulas)
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93 Budget Skin Nails & Hair

Skin Nails & Hair

Solgar
4.7
★★★★★
(81630 ratings)
Proline: 50 mg
A well-rounded formula that combines essential minerals with structural building blocks to support skin, hair, and nail health.
Buy for $18.92(from Amazon)
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96 Best Double Strength Hyaluronic Acid 100 mg

Double Strength Hyaluronic Acid 100 mg

NOW
4.7
★★★★★
(26893 ratings)
Proline: 100 mg
A comprehensive blend for joint and skin support that uses structural amino acids and antioxidants for tissue maintenance.
Buy for $23.08(from Walmart)
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95 Best Double Strength Hyaluronic Acid 100 mg

Double Strength Hyaluronic Acid 100 mg

NOW
4.7
★★★★★
(26717 ratings)
Proline: 100 mg
A targeted formula for joint lubrication and collagen support using proline and protective botanical extracts.
Buy for $16.39(from Amazon)
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85 Best Complete Plant Collagen Builder Creamy Vanilla Bean

Complete Plant Collagen Builder Creamy Vanilla Bean

PlantFusion
4.1
★★★★★
(1078 ratings)
Proline: 100 mg
A vegan-friendly blend of amino acids and ceramides for skin moisture and collagen support.
Buy for $34.23(from Amazon)
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92 Best Vegan Hair Skin & Nails

Vegan Hair Skin & Nails

NOW Solutions
4.7
★★★★★
(4207 ratings)
Proline: 200 mg
A vegan beauty support formula using high-dose biotin, amino acids, and hyaluronic acid.
Buy for $13.5(from Amazon)
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88 Value Liquid Hyaluronic Acid

Liquid Hyaluronic Acid

NOW
4.6
★★★★★
(5158 ratings)
Proline: 100 mg
A fast-absorbing liquid supplement for skin hydration and joint health using hyaluronic acid and amino acids.
Buy for $12(from Walmart)
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85 Best Complete Plant Collagen Builder Natural - No Stevia

Complete Plant Collagen Builder Natural - No Stevia

PlantFusion
4.1
★★★★★
(1058 ratings)
Proline: 100 mg
A clean, stevia-free vegan supplement for skin hydration and natural collagen building.
Buy for $34.48(from iHerb)
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93 Best Pro-Rite

Pro-Rite

Carlson
4.9
★★★★★
(850 ratings)
Proline: 500 mg
A dual-amino acid formula that provides the foundational building blocks for collagen and structural tissue health.
Buy for $16.07(from iHerb)
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93 Best Pro-Rite

Pro-Rite

Carlson
4.9
★★★★★
(904 ratings)
Proline: 500 mg
A high-value, dual-amino acid complex that supports long-term structural integrity and collagen synthesis.
Buy for $33.92(from iHerb)
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99 Best L-Proline 2000 mg

L-Proline 2000 mg

Nutricost
4.8
★★★★★
(403 ratings)
Proline: 2000 mg
A very high-dose liquid proline supplement for maximum support of collagen and connective tissue repair.
Buy for $17.95(from iHerb)
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87 Best Heart Science

Heart Science

Source Naturals
4.6
★★★★★
(156 ratings)
Proline: 400 mg
An advanced cardiovascular complex featuring CoQ10, hawthorn, and blood-flow-supporting amino acids.
Buy for $41.36(from Amazon)
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94 Value Beauty Blossom Complex

Beauty Blossom Complex

Solumeve
4.6
★★★★★
(1779 ratings)
Proline: 100 mg
A targeted blend of proline, hyaluronic acid, and antioxidants for joint and skin resilience.
Buy for $12(from iHerb)
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95 Best Hyaluronic Acid Complex

Hyaluronic Acid Complex

California Gold Nutrition
4.7
★★★★★
(4790 ratings)
Proline: 100 mg
A balanced joint support complex that uses structural amino acids and botanical extracts for tissue health.
Buy for $15.04(from iHerb)
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analyticsProduct stats
sellPrice per product
Average$25.86
Median$22.99
restaurantPrice per serving
Average$0.83
Median$0.53
sciencePrice per 100 mg
Average$0.70
Median$0.53
bar_chartPrice distribution
bar_chartPrice per serving distribution
bar_chartPrice per 100 mg
Reference amount: 100 mg
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