Fast-Acting Joint Formula
Life Extension
Fast-Acting Joint Formula
4.6
★ ★ ★ ★ ★
(599 ratings)
Keratin 300 mg
Score 55.0
Primarily a joint formula, this product offers some benefits for hair, skin, and nails through bioavailable keratin and hyaluronic acid, but it is not optimized or cost-effective as a dedicated beauty supplement.
Quantity: 30 Capsule(s)Servings size: 1 Capsule(s) (30 servings)
Selected goals:
Other goals:
Hair Health
Nail Health
Skin Health
leaderboard Score 55.0
Primarily a joint formula, this product offers some benefits for hair, skin, and nails through bioavailable keratin and hyaluronic acid, but it is not optimized or cost-effective as a dedicated beauty supplement.
insights Analysis
The Life Extension Fast-Acting Joint Formula, while named for joint support, is analyzed for its stated goals of Hair Health, Nail Health, and Skin Health due to its ingredients. It contains 300mg of Cynatine FLX, a bioavailable keratin known to benefit hair, skin, and nails, along with Hyal-Joint Complex (hyaluronic acid) which is excellent for skin hydration and elasticity. However, the inclusion of Decursinol-50, an ingredient primarily for joint inflammation, and its higher price point per serving make it less ideal as a dedicated and cost-effective beauty supplement compared to formulas specifically optimized for comprehensive hair, skin, and nail support.
- Contains Cynatine FLX (a bioavailable form of keratin) which supports hair, skin, and nails.
- Includes Hyal-Joint Complex (hyaluronic acid), excellent for skin hydration and elasticity.
- May offer general health benefits beyond HSN due to the joint-focused ingredients.
- The primary formulation is for joint health, making it less optimized as a dedicated hair, skin, and nail supplement.
- Relatively high price per serving compared to more focused HSN products.
- Presence of Decursinol-50 does not directly contribute to typical HSN benefits.
- Consumers seeking comprehensive HSN benefits might find this product less effective or cost-efficient than a formula specifically designed for hair, skin, and nails.
- Individuals with no joint concerns may be paying for an ingredient (Decursinol-50) they don't explicitly need for beauty goals.
$29.25($0.97 per serving)
 iHerb | $ 29.25 | |
 Vitacost | $ 29.25 |
bolt Effectiveness for goals
Some clinical studies have explored the benefits of hydrolyzed keratin peptides for hair and nail health. These studies often report improvements in parameters such as strength, elasticity, and overall appearance of hair and nails. Research continues to investigate optimal formulations and applications.
Keratin supplements are often used with the aim of supporting the structural integrity of hair, skin, and nails. Studies suggest that hydrolyzed keratin can contribute to improved hair strength, elasticity, and nail growth. Individual results may vary.
Keratin supplements are thought to support the repair of damaged hair by providing the necessary protein structures. This can help replenish compromised areas, potentially leading to a reduction in frizz and an improvement in overall hair texture and appearance. They contribute to internal restoration.
By strengthening the hair shaft and improving its elasticity, keratin supplements can contribute to a reduction in hair breakage. This makes hair more resilient to daily styling, environmental stressors, and chemical treatments. Stronger hair is less likely to snap.
Users often report benefits such as increased hair strength, reduced breakage, and improved shine and smoothness. Some research indicates that keratin can help support hair resilience and appearance.
schedule Dosage, timing & forms
The typical recommended daily dosage for keratin supplements can vary based on the specific product and its formulation. Many supplements suggest a range, often between 250 mg to 500 mg per day. Always follow the specific dosing instructions provided on your product label.
Typical daily dosages for hydrolyzed keratin supplements often range from 250 mg to 500 mg. However, specific dosages can vary depending on the product's formulation and the manufacturer's recommendations. Always follow the instructions provided on the supplement's label for accurate guidance.
The time it takes to observe results from keratin supplementation can vary among individuals and depends on the intended benefits. Many users report noticeable changes in hair, skin, and nails after consistent use for 3 to 6 months. Continued daily intake is often recommended for sustained benefits.
Visible results from keratin supplements, such as improvements in hair or nail strength, may take several weeks to a few months of consistent use. Keratin supplements are generally considered safe for long-term daily use when taken according to recommended dosages. Consult a healthcare professional if you have concerns about extended use.
There is generally no universally 'best' time of day to take keratin supplements, as absorption is not heavily dependent on timing. Some manufacturers may suggest taking it in the morning or evening for convenience. Consistency in taking the supplement daily is often considered more important than the specific time.
health_and_safety Safety & interactions
There is limited scientific research specifically on the safety of keratin supplements during pregnancy or lactation. For this reason, pregnant or breastfeeding individuals should consult their doctor or a qualified healthcare provider before incorporating any new supplement, including keratin, into their regimen.
Keratin supplements are typically considered safe for most healthy individuals when consumed as directed. They are commonly derived from natural sources, such as wool, and processed for oral intake. As with any supplement, consulting a healthcare professional before starting is recommended.
Keratin supplements are generally considered well-tolerated when taken as directed. Some individuals might experience mild digestive upset, such as bloating or nausea, particularly when first starting supplementation. Serious adverse reactions are uncommon.
The safety of Keratin supplements during pregnancy and breastfeeding has not been extensively studied. Therefore, it is generally recommended that pregnant or breastfeeding individuals avoid Keratin supplements. This recommendation stands unless specifically advised and monitored by a healthcare professional.
Individuals with known allergies to the source material of keratin (e.g., wool or poultry) should avoid these supplements. People with compromised liver or kidney function, or those with existing medical conditions, should consult a healthcare professional before taking keratin supplements. Always prioritize medical advice for specific health concerns.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Hyal-Joint Complex | 40 mg |
Decursinol-50 Angelica gigas Nakai extract | 200 mg |
Cynatine FLX | 300 mg |
Categories
Keratin 70.0
The product contains 300mg of Cynatine FLX, which is a patented, highly bioavailable form of keratin. While a good dose, some dedicated HSN products offer 500mg of the more HSN-specific Cynatine HNS form, providing a higher potency for keratin-focused benefits.
Goals
Skin Health 65.0
The inclusion of Hyal-Joint Complex (hyaluronic acid) is excellent for skin hydration and elasticity, and Cynatine FLX also contributes to skin structure. This makes it reasonably effective for skin health, though it's not as comprehensive as products with high collagen or additional antioxidants.
Hair Health 50.0
The 300mg of Cynatine FLX contributes to hair strength and health as keratin is a key structural protein. However, the formula lacks biotin, collagen, and other hair-specific nutrients commonly found in dedicated hair health supplements.
Nail Health 50.0
Keratin from Cynatine FLX provides support for nail integrity. However, the absence of high-dose biotin, a crucial nutrient for nail strength, limits its overall effectiveness for this goal compared to alternatives.
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