Top Costco Essentials for New Members: Expert Picks
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Top Costco Essentials for New Members: Expert Picks

authorBy Massimo Bottura
DateJan 06, 2026
Read Time3 min

For individuals newly embarking on their Costco membership journey, or those looking to refine their shopping strategies, a curated list of top-tier products has been compiled by the editorial team at EatingWell. This selection emphasizes both value and nutritional benefit, guiding members toward items that offer significant advantages when purchased in bulk from the warehouse. The recommendations span from essential dry goods and versatile cooking ingredients to a celebratory beverage, all chosen for their quality, longevity, and health-conscious attributes. These expert picks are designed to help new members efficiently stock their homes with high-quality, long-lasting provisions.

Among the standout recommendations are chia seeds, highly praised by assistant general manager Penelope Wall and senior nutrition editor Jessica Ball, M.S., RD. These tiny powerhouses are rich in omega-3 fatty acids and beneficial for gut health, making them a wise investment for meal preparation. Available in a substantial 3-pound bag for $14.99, their extended shelf life ensures that members can enjoy their benefits for an extended period. Similarly, hemp hearts, another favorite of Wall’s, offer a wealth of antioxidants and plant-based protein. Priced at $14.74 for a 32-ounce bag, these seeds can be incorporated into various meals, from smoothies to homemade protein powders, and are known for their anti-inflammatory properties and remarkable longevity in the pantry.

Canned tuna, a protein-packed and omega-3-rich food, is another essential championed by Jessica Ball. She appreciates the convenience and extended shelf life of canned goods, highlighting tuna as a primary example for quick, healthy meals. Registered dietitian Emily Lachtrupp, M.S., RD, echoes this sentiment, valuing canned tuna for its ease of use in diverse recipes. The Kirkland Signature Albacore Solid White Tuna, an 8-count pack of 7-ounce cans for $19.85, provides a convenient and nutritious option for busy individuals. In the realm of cooking oils, Lachtrupp strongly endorses Costco’s olive oil, noting its exceptional quality and competitive bulk pricing. A 2-liter bottle, typically costing $34.04, ensures a steady supply of this heart-healthy staple, which is abundant in healthy fats, polyphenols, and vitamins E and K.

Oats are featured as a crucial bulk buy for those who favor a fiber-rich breakfast. Ball specifically values the availability of oats for preparing various recipes, from overnight oats to baked goods and homemade protein bars. A 10-pound bag, priced at $7.99, makes it economical to maintain a consistent supply of this versatile ingredient, simplifying morning routines and providing a nutritious base for numerous dishes. For culinary enthusiasts, the Kirkland Signature Organic Balsamic Vinegar receives high marks from Lachtrupp for its superior quality and excellent price point. This 1-liter bottle, at $16.79, is not only ideal for caprese salads but also enhances salad dressings, marinades, and roasted vegetables. Finally, for special occasions, news editor Leah Goggins recommends the Veuve Clicquot champagne. Though alcohol should be consumed in moderation, Costco offers this sommelier-recommended, higher-end champagne at an attractive price of $55 per 750-milliliter bottle, making it a perfect choice for future celebrations.

Ultimately, a Costco membership unlocks access to premium products at competitive bulk prices, making it an excellent resource for health-conscious shoppers and those looking to streamline their pantry. The expert recommendations from EatingWell’s team guide new members toward smart purchasing decisions, ensuring that their initial visits are fruitful and lay the groundwork for a well-stocked, healthy household.

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