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A Marie Claire report reviewing expert advice finds no strong clinical evidence that drinking bone broth directly improves skin hydration, elasticity, firmness or wrinkles. Its protein and collagen-derived amino acids vary by product, and experts advise checking nutrition labels, particularly for sodium.
A Marie Claire report reviewing comments from a dermatologist, registered dietitian and OB-GYN says there is no strong clinical evidence that drinking bone broth directly improves skin hydration, elasticity, firmness or wrinkles. The finding tempers popular wellness claims about bone broth as a beauty drink, while the experts say its nutritional content varies and it should not replace more reliable sources of protein or nutrients.
Bone broth is made by simmering animal bones and connective tissue in water, sometimes with meat, vegetables and seasonings. Registered dietitian Valerie Agyeman told Marie Claire that preparation typically takes eight to 24 hours or longer to draw out gelatin and other compounds. The finished product can provide protein and amino acids, including glycine and proline, but nutrition varies with the recipe and brand.
A cup may contain about five to 10 grams of protein, according to the report, which cites Agyeman. She said that is generally less than a typical serving of chicken, fish or Greek yogurt, and suggested treating broth as an addition to meals rather than a primary protein source. Collagen and mineral amounts can also vary, and calcium may be relatively low despite the use of bones.
Dermatologist Morgana Colombo said bone broth contains collagen-derived proteins and amino acids, but that research on the broth itself has not established direct skin benefits. Studies of hydrolyzed collagen supplements have reported modest improvements in hydration and elasticity, though evidence is mixed. Those findings cannot be assumed to apply to broth, whose collagen content is not standardized in the same way as a supplement dose.
Skin Claims Outpace Broth Evidence
The distinction matters for consumers weighing a daily purchase or routine based on promises of glowing or younger-looking skin. The report does not establish that bone broth has no nutritional value; it says the specific cosmetic benefit often promoted online has not been demonstrated in strong clinical research on broth. That leaves a gap between the popularity of the claim and what the cited experts say is known.
Readers should also avoid treating bone broth as interchangeable with collagen products tested in research. As Colombo explained to Marie Claire, the amount of collagen in broth varies, and consuming more collagen does not automatically mean the body will produce more of it. Skin collagen is influenced by factors including age, genetics, hormones, UV exposure and nutritional status, according to the report.
For people considering broth as a food rather than a beauty treatment, the practical question is what a particular product contributes to the overall diet. Its protein may be modest, while sodium can be substantial in some packaged varieties. Checking labels helps consumers compare products rather than relying on broad claims about the category.
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What Bone Broth Contains
The report describes bone broth as a longstanding food that has more recently gained visibility through wellness influencers and celebrity-linked trends. It is made by cooking bones and connective tissue in water for an extended period. Store-bought products are widely available, but their nutritional composition depends on preparation and brand.
Some research on collagen peptides is cited as a reason people associate collagen intake with skin or bone benefits. The report stresses that those studies do not prove equivalent effects from bone broth. Similarly, research involving collagen peptides taken with calcium and vitamin D in postmenopausal women does not show that broth alone prevents osteoporosis or strengthens bones.
For bone health, Agyeman emphasized the importance of getting enough calcium, vitamin D and protein through the overall diet. Dairy products and calcium-fortified alternatives are generally more dependable calcium sources than broth, according to the report.
“It can help you get some protein, but it usually doesn’t provide as much as a typical serving of chicken, fish, or Greek yogurt.”
— Valerie Agyeman, registered dietitian, as quoted by Marie Claire
What Research Has Not Settled
The report does not provide a specific clinical trial testing a standard serving of bone broth for skin outcomes, nor does it give a publication date for the article. The amount of collagen in broth varies by preparation and may not be listed on product labels, making comparisons difficult. The report also characterizes evidence on collagen supplements as mixed, so their findings should not be treated as settled proof for broth.
It remains unclear whether particular broths, recipes or intake patterns have measurable effects on skin, joints or gut health. The report says claims about these outcomes have not been well established in research on bone broth itself. It also notes concern about sodium in some products; shoppers who need to monitor sodium, including people managing blood pressure, should check product labels and seek professional guidance for personal dietary needs.
Check Labels Before Buying
The report points readers toward practical checks rather than a promised beauty result: compare protein and sodium on nutrition labels, and do not assume a broth is high in calcium or collagen because it is made from bones. Agyeman’s advice is to include it as one part of meals, not rely on it as a principal protein source.
For now, the report offers no new trial or formal health guidance establishing a skin effect from bone broth. Any clearer answer would depend on research that tests broth itself, with defined products, amounts and skin measures. Until then, the evidence described by the cited experts supports treating glowy-skin claims as unproven, not as a confirmed benefit.
Key Questions
Does bone broth improve skin?
The Marie Claire report says experts found no strong clinical evidence that drinking bone broth directly improves skin hydration, elasticity, firmness or wrinkles.
How much protein is in a cup of bone broth?
The report says a cup may contain about five to 10 grams of protein, depending on the product and preparation. Agyeman said that is usually less than a typical serving of chicken, fish or Greek yogurt.
Is bone broth a reliable source of calcium?
Not necessarily. The amount of calcium in the finished broth can be relatively low and varies, so the report points to dairy products and calcium-fortified alternatives as more reliable sources.
What should I check when buying bone broth?
Compare the nutrition facts, especially sodium and protein. The report says collagen and mineral amounts vary, and collagen is not always listed separately. People monitoring sodium should take particular care with product labels.
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