It’s no secret that Costco has some of the best deals – but what you might not know is that it also has an impressive selection of vitamins, protein powders, and other nutrient-rich, performance-enhancing products. With thousands of options, shopping at this member-only grocery store can be a bit overwhelming – that’s why we’ve rounded up the best nutritional supplements you can buy at Costco.

“I’ve shopped in almost every health food store and am amazed at the growing range of health food products from Costco,” says Maritza Worthington, functional nutritionist, specialist in women’s hormones and founder of the Hormone Alchemy Academy and Academy cycle POWER protocol. “I noticed a few new gems just yesterday.”

Whether you’re looking to fill some nutritional gaps in your diet, improve your gut health, or reduce inflammation, here are some products that experts highly recommend adding to your cart. Then check out our list of 10 Costco Items Buyers Cant Stop Buying.

According to Kristin Gillespie, MS, RDN, taking fish oil supplements is one of the best ways to keep inflammation in check.

“Omega-3s, found in fish oil supplements as well as a variety of different foods, have been shown to have anti-inflammatory effects,” she explains. “They do this essentially by reducing the body’s production of cytokines and other inflammatory substances.”

This special dietary supplement contains a high concentration (980 milligrams) of 70% omega-3 fatty acids, which play an important role in heart and bone health. And for added security, Nature’s Bounty Fish Oil goes through a special cleaning process to remove mercury. The best part? These capsules are coated to minimize odors so you don’t have to worry about unpleasant fish burps.

Whether or not you’re not a Costco member, don’t forget to check out the best daily supplements, according to a nutritionist

Worthington said, collagen peptides contain amino acids that help rebuild the lining of the intestines, and taking in this extra collagen protein can also help stabilize your blood sugar and cortisol levels throughout the day. Not to mention, collagen is an important part of connective tissue, so it’s great for your complexion, joints, ligaments, and tendons.

“As Hippocrates once said, ‘All diseases start in the gut,'” says Worthington. “Given that nearly 70% of the immune system is in the gut and a lot of processed foods compromise the integrity of the intestinal lining (leading to food sensitivities and poor immune function), adding some collagen to your morning coffee or smoothies isn’t such a bad idea . “

This one is also a top choice for Diana Gariglio-Clelland, RD for

“This popular collagen powder can help improve the skin’s moisture and elasticity, and slow down the signs of premature aging,” she says. “The powder dissolves easily in hot beverages like coffee and provides a whopping 10 grams of filling protein per scoop.”

You can add this paleo and keto friendly supplement to anything from protein shakes to a bowl of oatmeal, and since it’s tasteless, it adds itself right in.

qunol turmeric

“Turmeric has powerful anti-inflammatory properties and has grown in popularity as a dietary supplement in recent years,” says Gariglio-Clelland. “This turmeric also contains piperine, the active ingredient in black pepper that has been shown to increase turmeric absorption by 2000%.”

Not only does this patented supplement contain black pepper for enhanced antioxidant absorption, it also offers a whopping 1,500 milligrams of curcumin with 95% curcuminoids – the compounds in turmeric known to help control inflammation.

Youtheory turmeric

Speaking of turmeric, this potent nutritional supplement is Worthington’s top pick, in part because it uses the most clinically researched turmeric extract.

“Supplementing with turmeric, which contains high doses of curcuminoids, can help reduce inflammation that accompanies chronic pain and inflammation of the digestive system,” says Worthington. “Youtheory turmeric contains 95% curcuminoids, 20 times more than the average turmeric powder, and even contains black pepper, which increases turmeric absorption. These are the properties I look for when recommending a superior turmeric supplement.”

Pro Tip: To further increase your absorption, Worthington recommends making a turmeric latte with coconut oil in it.

“Since curcumin is fat-soluble, consuming it with some good fats can increase the benefits,” she adds.

natural vitality calm

With an impressive 325 milligrams of magnesium per serving, a delightful raspberry and lemon flavor, and a smooth formula that blends well with a wide variety of beverages, it’s no surprise this supplement from Lauren Harris-Pincus, MS, RDN, Founder Highly recommended is of Nutrition Starring YOU and author of The Protein-Packed Breakfast Club.

“Magnesium is needed for over 300 chemical reactions in the body, and most of us don’t get enough from food,” she explains. “Aside from cardiovascular, brain and nervous system health, magnesium also supports healthy bones, muscles and blood pressure. And magnesium is calming, so I usually recommend consuming this fizzy drink an hour before bed for a drug-free way to relax and sleep. “

Price for members of Costco only.

Nature made d3

Did you know that a staggering 40% of adults in the United States are vitamin D deficient? This is a blatant problem as this vitamin plays a key role in bone health, cell growth, immune function, glucose metabolism, and reducing inflammation and fighting off osteoporosis. Aside from oily fish, very few foods are natural sources of vitamin D – so adding a supplement to your diet can be important.

“Costco is a great place to stock up on vitamin D3 because the quality and absorption are similar from brand to brand, so you don’t have to spend extra on something higher,” said Michelle Shepherd, RD at Westcoast Nutrition. “You can save those dollars on an omega-3 supplement that is made by the brand and where you buy it affects its quality.”

This USP-verified dietary supplement, which happens to be the # 1 pharmacist-recommended vitamin and dietary supplement brand, contains 1,000 IU (25 mcg) of vitamin D3, which is more than the recommended daily allowance for adults.

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