After opening, Greek yogurt typically lasts 7 to 10 days, though some sources say up to 2 weeks, in the fridge, but you should always rely on your senses to check for spoilage before eating, as it can go bad sooner. Discard it if you see mold, smell a rancid odor, or notice a significant change in texture, like excessive liquid or large clumps, even if it's within the timeframe.
Once opened, you'll want to enjoy the yogurt within 7 to 10 days for the freshest flavor and texture.
Watch for an unusually sharp or bitter sourness, a watery or clumpy texture, or any signs of mold. Just like other yogurt, Greek yogurt should not sit out for more than two hours—or one hour if the temperature is 90°F or higher.
According to the USDA's Food Safety and Inspection Service Foodkeeper app, yogurt should be consumed within 1 to 2 weeks of the purchase date. (This time frame assumes you've been refrigerating your yogurt, by the way.) After that, there's no guarantee that your yogurt is still safe to eat. It's best to throw it out.
The acidity of yogurt is another barrier to foodborne illness. There is evidence of E. coli 0157:H7 exhibiting acid-tolerant properties, but this pathogen is readily destroyed via pasteurization.
The best Greek yoghurts are authentic. This means they'll contain one or more live bacterial ingredients: Lactobacillus bulgaricus, Streptococcus thermophilus, Lactobacillus acidophilus or Bifidobacterium lactis.
Some antibiotics providers use to treat E. coli infections include: Trimethoprim/sulfamethoxazole (TMP/SMX). Ciprofloxacin.
That watery layer on top of your yogurt is actually whey, a healthy protein packed with vitamins and minerals.
Always check yogurt for signs of spoilage before eating. Look for mold, curdling, or a sour smell. If you eat old yogurt, watch for symptoms like stomach upset, nausea, or diarrhea. Seek medical help if symptoms are severe.
You can introduce yogurt and cheese once your baby is six months old, as long as they continue to eat a variety of iron-rich foods. Let your baby enjoy the taste of plain unsweetened yogurt, or add fresh, canned or frozen fruit.
The causes are germs or other harmful things in the food or drink. Symptoms of food poisoning often include upset stomach, loose stools and vomiting. Symptoms most often start within hours or days of eating the food.
Fresh yoghurt has a tangy and slightly sour aroma. However, if you notice a pungent, rancid, or foul smell, it is a clear indication that the yoghurt has gone bad.
That thin, white-ish liquid sitting on top of your creamy yogurt isn't water; it's whey. The separation of acid whey and milk curds is a process called "syneresis." It's a naturally occurring textural defect, and it's totally harmless.
“Even if there's no mold that you can see or smell, you should consume Greek yogurt within 1 to 2 weeks of opening it,” she says.
This product requires refrigeration. For best results use by the date by the date stamped on the package. Once opened, the half & half should be used within 7 to 10 days. We do not recommend freezing half & half.
The most common symptoms of food poisoning are:
An unopened container from a store can last one to two months. Look for the "best by" date on the package. This date is about quality, not safety. If the seal is not broken, the yogurt should be fine.
Is yogurt good for you? Both yogurt and Greek yogurt are sources of probiotics and nutrients. Greek yogurt comes out on top for protein content and has fewer carbs and sugar, while plain yogurt typically provides more potassium and calcium.
Yogurt takes a long time to go bad. If it's bad, you'll see mold and it will probably smell off. If you don't know what good yogurt smells like, make sure you take a good sniff every time you open the container. When it starts to go bad, you'll know.
Greek yogurt's disadvantages include lower calcium/potassium than regular yogurt, potential histamine/inflammatory issues for some, high added sugar in flavored versions, and potential interactions with certain antibiotics, though plain, low-fat options minimize risks, making moderation and label-checking key.
Because Greek yogurt is denser than regular yogurt varieties, it typically has less liquid whey—so if there's an unusually large amount of liquid in the container, the yogurt may be bad. Another indication yogurt is ready for the compost bin is when the container is bloated.
Gastrointestinal Symptoms
In some types of E. coli infections, you might notice that your diarrhea is bloody. This can cause your stools to become bright red, dark red, or black in color.
What can you do to support the good bacteria in your gut? Eating a plant-based diet that includes fermented foods and fiber from colorful fruits and vegetables, having healthy sleep habits and managing stress levels are other ways to support a healthy gut.
Urine contains waste from your body including toxic substances. So, you can become ill if you drink your urine. Nausea, vomiting, and diarrhea are common effects of swallowing urine.
If you want a warm, savory breakfast that offers lasting fullness and nutrients like vitamin D and choline, eggs may be your best bet. If you're looking for a high-protein breakfast with probiotics, calcium and a gut-health boost, yogurt is an excellent option.