best collagen supplements: Frequently asked questions
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What is the most effective collagen to take?
Collagen can be effective for different health concerns, but it also depends on the type of product a person chooses. For example, a 2021 study found that using hydrolyzed collagen for 90 days can help reduce the appearance of wrinkles and improve the skin's elasticity. Another study reports that collagen supplements may suit people looking to improve skin elasticity.
How do I choose the best collagen supplement?
People may consider the following before buying collagen supplements: the form the price ingredients testing processes how and when to use People should prioritize products that have gone through third-party testing ensuring the product does not have any unlisted or unsafe ingredients.
What is the best and healthiest collagen?
People looking for healthy collagen supplements may look for a product free of hormones and artificial sweeteners. Those who follow a gluten-free diet may also choose supplements without this ingredient. People can also consider collagen supplements that offer a range of essential amino acids and or use collagen peptides, as these may be easier for the body to digest.
Do collagen supplements really work?
A 2019 literature review that included 11 studies involving 805 people found that supplemental collagen helps improve skin elasticity, hydration, and collagen density. It may also be useful for wound healing. A 2021 literature review also found collagen supplements beneficial for joint health. Confirming these benefits and exploring the full effects requires further research.
Does collagen make a person gain weight?
While the evidence is limited, weight gain is not a known effect of collagen supplements. A 2019 study found that people who combine collagen supplementation with resistance training may develop more muscle mass than those who exercise without supplementation. Gaining lean muscle can make a person heavier.
How long does it take for collagen supplements to work?
Studies show that people can see results from collagen supplements in 8 weeks, although it may take longer.
Who Should Avoid Collagen Supplements?
Many collagen supplements contain ingredients derived from fish, eggs, pigs, or cows, which could pose a concern for individuals with specific allergies or dietary restrictions, shares Simpson. Additionally, some products may be processed in facilities that handle common allergens like dairy or gluten, so always check the label if you have sensitivities. Collagen supplements may also not be appropriate for people who need to limit their protein intake, such as those with kidney disease who need to avoid excess protein. It’s essential to consult your doctor before introducing collagen into your routine.
Do Collagen Supplements Have Side Effects?
“Collagen supplements are generally very safe, but there are a couple of exceptions to keep in mind,” says Simpson. “Some people may notice mild digestive changes like bloating and fullness when they first start,” she adds, although this is rare and usually goes away after a few days of use. As with any supplement, it’s important to consider individual health circumstances. Simpson advises, “If you’re pregnant, breastfeeding, or have specific health conditions, it’s a good idea to check with your doctor first.”