Sardines for skin: The BeautyTok trend Filipino households already know
Filipino kitchens have always known the humble sardine as a reliable, budget-friendly meal. Now, the little oily fish is having a moment on TikTok as a beauty food, with creators claiming it can deliver hydrated, glowing, and clear skin. The trend gained momentum after model Anok Yai shared backstage at the 2025 Victoria's Secret Fashion Show that she ate a tin of sardines every night before the event for her skin. But does the science actually back up the hype, or is this just another social media fad?
What makes sardines good for skin?
The main reason sardines have entered the beauty conversation is their omega-3 fatty acid content, specifically EPA and DHA. The National Institutes of Health notes that fish and seafood are the primary food sources of these essential fats, which the body cannot produce on its own.
A 2025 review examined omega-3s in inflammatory skin conditions such as acne, psoriasis, and eczema. Researchers found that omega-3 supplementation may help reduce inflammation and support the skin barrier, though they stressed that human evidence remains limited. Most of this research focuses on supplements rather than eating canned fish directly, so there is no proof that a nightly tin is a secret acne treatment.
Beyond omega-3s: The full nutritional picture
Sardines offer more than just healthy fats. They are high in protein, which provides the building blocks for tissue repair and collagen production. They also contain vitamin B12, vitamin D, selenium, and calcium, especially when you eat the tiny soft bones. The NIH specifically lists canned sardines with bones as a calcium source.
But these nutrients do not work like a serum. Eating vitamin D at lunch will not erase a dark spot by dinner. Skin, like every other organ, functions better when properly nourished, which makes sardines genuinely nutritious without being miraculous.
Can eating sardines actually give you a glow?
The honest answer is less exciting than TikTok suggests. Adding sardines to your diet means getting more omega-3s and protein, which is a positive change. But skin responds to a combination of factors: sleep, hormones, hydration, genetics, sun exposure, and your actual skincare routine. No single food works in isolation.
The popular seven-day sardine transformation videos make for great content, but they do not hold up as nutrition science. If there is a skin payoff, it comes from consistent healthy eating over time, not from a week-long challenge.
Are sardines safe to eat every day?
You do not need to eat sardines nightly to benefit from them. One advantage is that sardines are relatively low in mercury. The US Food and Drug Administration includes them among its Best Choices for lower-mercury fish.
Sardines are also inexpensive, shelf-stable, and require no cooking, which may be their most practical wellness credential. If you eat them often, check the nutrition label since sodium varies between canned varieties. People managing gout or limiting high-purine foods should be cautious with sardines.
How to enjoy sardines beyond the TikTok trend
For everyone else, there is no need to turn a good food into a beauty challenge. Eat them on toast with calamansi, mix them through pasta, pile them onto warm rice, or keep a tin for nights when cooking feels too ambitious. In the Philippines, sardines are already a pantry staple, and this trend simply gives another reason to appreciate them.
TikTok may have exaggerated the skincare claims, but it did land on a genuinely nutritious food. Sardines will not give you glass skin overnight. What they offer is omega-3s, protein, and other useful nutrients that support skin health as part of a balanced diet. That makes them good food first, beauty food second. Among the strange things BeautyTok has convinced people to try, eating something delicious might be one of its better ideas.
Frequently asked questions about sardines and skin
Can sardines clear acne?
There is no direct evidence that eating sardines clears acne. Omega-3s may help reduce inflammation related to acne, but research is limited and focuses on supplements, not canned fish.
How many sardines should you eat per week?
The FDA lists sardines among low-mercury fish and considers them safe to eat regularly. For most people, a few servings per week is reasonable, but check sodium levels on canned varieties.
Are sardines better than fish oil supplements for skin?
Sardines provide whole-food nutrition including protein, calcium, and vitamins that supplements lack. However, clinical research on skin benefits has mostly studied omega-3 supplements rather than sardines themselves.