ONE Protein Bars are one of the most popular high-protein, low-sugar protein bars in North America — delivering 20g of protein with only 1g of sugar and approximately 220 calories per bar in flavours that consistently rank among the best-tasting in the protein bar category. ONE Bars fill the gap between indulgent snacks and functional protein supplements — high enough protein content for serious nutritional benefit, great enough taste to look forward to eating them. Bulldog Nutrition is an authorized Canadian and US retailer of ONE Bars, backed by 10+ years in the supplement industry.
ONE Bars are available in an extensive range of flavours — from classic Birthday Cake and Peanut Butter Cup to seasonal and limited-edition flavours — making it easy to find a rotation of favourites that prevents flavour fatigue from daily protein bar consumption. At 20g of protein from whey protein blend, 1g of sugar, and ~220 calories, ONE Bars hit the key performance macro targets that athletes look for in a portable protein snack.
ONE Bars in your nutrition plan: Between-meal protein, post-workout snack, on-the-go nutrition, or a satisfying high-protein dessert substitute at the end of the day. ONE Bars are portable, shelf-stable, and deliver genuine protein content — making them one of the most practical tools for hitting daily protein targets consistently.
Shop ONE Protein Bars below — available individually and by the box. Ships fast across Canada and the United States.
Frequently Asked Questions
How much protein is in a ONE Bar?
ONE Protein Bars deliver 20g of protein per bar — primarily from whey protein blend. With only 1g of sugar and approximately 220 calories per bar, ONE Bars provide one of the best protein-to-calorie ratios in the protein bar category. This makes them suitable for athletes in both building and cutting phases who need convenient, portable protein without a high caloric cost.
Are ONE Bars available in Canada?
Yes. ONE Protein Bars are available in Canada through Bulldog Nutrition — an authorized Canadian and US retailer. Available individually and by the box with fast shipping across Canada and the United States. All ONE Bar products are sourced directly from authorized distribution.
What are the best ONE Bar flavours?
ONE Bars are consistently praised for their flavour range — Birthday Cake, Peanut Butter Cup, Almond Bliss, Maple Glazed Donut, and Chocolate Brownie are among the most popular with Canadian customers. ONE regularly releases seasonal and limited-edition flavours that expand the rotation. Check the ONE Bars collection at Bulldog Nutrition for current flavour availability.
Are ONE Bars gluten-free?
Some ONE Bar flavours are gluten-free; others may be processed in facilities that handle gluten-containing ingredients. Check the individual flavour's packaging and ingredient list for current allergen information before purchase if gluten avoidance is required. Allergen information is listed on individual product pages at Bulldog Nutrition.
Is Bulldog Nutrition an authorized retailer of ONE Bars in Canada?
Yes. Bulldog Nutrition is an authorized Canadian and US retailer of ONE Protein Bars. All ONE Bar products are sourced directly from authorized channels — never grey market or counterfeit. Fast shipping across Canada and the United States.
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