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Monday, 23/3/2026 | 17:01 GMT+7

6 warning signs of declining collagen levels

Reduced collagen often manifests as wrinkled, sagging skin, dry and brittle hair, fragile nails, and stiff, aching joints.

Loss of skin elasticity

One of the most common symptoms of collagen deficiency is reduced skin elasticity. The skin may start to appear thinner or sag. Fine wrinkles emerge because collagen fibers maintain skin firmness.

Joint pain and stiffness

Collagen supports cartilage in the cushioning tissue between joints. When collagen is deficient, cartilage weakens, leading to pain, stiff joints, and reduced mobility. Joints may creak or pop. Prolonged collagen deficiency also weakens bones, increasing the risk of osteoporosis.

Weak hair and nails

Weak or slow-growing hair and brittle nails are often early warning signs of declining collagen. This nutrient provides essential amino acids for keratin production, enhancing hair and nail health.

Slow wound healing

Collagen plays a crucial role in wound healing, aiding in the regeneration of damaged skin and tissue after injury. If cuts or skin irritations take longer than usual to heal, it may be due to reduced collagen production in the body.

Gastrointestinal discomfort

Collagen supports the lining of the digestive tract through connective tissue. When collagen levels decrease, the strength of the intestinal lining often weakens, sometimes contributing to bloating, abdominal distension, or gastrointestinal discomfort.

Muscle weakness

Collagen is found in muscle tissue and the fascia, the type of connective tissue that encases muscles. While not as obvious as other symptoms, collagen deficiency still impacts muscle health and recovery, causing aches or a feeling of weakness.

Collagen decline in the body is often due to smoking, excessive UV exposure, high intake of refined sugars, lack of physical activity, or hormonal changes during menopause. A deficiency in vitamin C, zinc, and amino acids also affects collagen synthesis.

To stimulate collagen production, individuals should consume foods rich in this nutrient, such as bone broth and gelatin, increase vitamin C intake, and supplement with amino acids, zinc, and copper. These are catalysts in the collagen synthesis process.

Le Nguyen (According to Times of India)

Readers can send their nutrition questions here for doctors to answer.
By VnExpress: https://vnexpress.net/6-dau-hieu-canh-bao-luong-collagen-suy-giam-5053760.html
Tags: food nutrition collagen

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