9 Best Protein Powders for Intermittent Fasting 2026

This ultra-lean sipping broth redefines what a protein supplement can be—light on calories yet rich in real-food nutrition. With 10g of protein for just 40 calories, it’s a game-changer for those in the fasting window who need satiety without breaking their fast. Unlike synthetic protein isolates or sugary shakes, this powder delivers naturally occurring collagen, amino acids, and minerals from slow-simmered chicken bones, making it an ideal choice for clean, keto-compliant fuel that supports gut and joint health while curbing hunger.

In real-world use, this broth shines when mixed with hot water—it creates a savory, comforting drink that feels more like a nourishing cup of homemade soup than a supplement. It’s perfect for early mornings or mid-afternoon slumps when you need something warm and satisfying without triggering digestion-heavy processes. While it lacks the full amino acid profile of complete proteins, its low-calorie, high-satiety design makes it exceptionally effective for intermittent fasting. However, it’s not ideal for post-workout recovery due to its limited leucine content.

Compared to plant-based or whey options, this broth takes a minimalist, whole-food-first approach that aligns closely with paleo and carnivore lifestyles. It stands out from bouillon cubes and flavor powders by offering real nutritional density—not just salt and flavor. For those prioritizing fasting integrity over muscle-building metrics, it outperforms heavier protein powders. Against LonoLife’s beef version, it offers a lighter taste and USDA-sourced transparency, trading portability for purity.

If you’ve ever grimaced through a chalky, earthy-tasting vegan shake, this smooth, dessert-like vanilla blend will feel like a revelation. Packed with 23g of plant-based protein and only 3g of net carbs, it delivers a complete amino acid profile—rare in vegan formulas—thanks to its smart mix of organic pea, rice, and sacha inchi proteins. What truly sets it apart is its bloat-free formula, enhanced with digestive enzymes that break down tough plant fibers, making it perfect for sensitive stomachs during or after fasting windows.

During testing, it dissolved effortlessly in both water and plant-based milk, creating a creamy texture that worked just as well in a post-fast smoothie as it did stirred into oatmeal. The organic monk fruit sweetener avoids the cooling aftertaste of erythritol, delivering a genuinely pleasant flavor that even picky kids enjoy. It’s also a standout for pregnant or nursing women seeking clean protein without artificial additives. That said, its higher carb count (compared to bone broths) means it’s better suited for breaking a fast than staying within it.

Positioned between clinical supplements and gourmet nutrition, Ora Organic carves a niche as the most palatable, family-friendly plant protein in the intermittent fasting space. It’s not as low-calorie as Enzymedica’s EAA drink or as fasting-pure as Vytrition’s GLP-1 formula, but it excels when you’re transitioning out of a fast and need sustained energy and full nutrition. For those who value taste and digestibility as much as macros, it offers a superior experience over blander, more clinical powders.

When convenience meets carnivore nutrition, this beef bone broth in stick-pack form becomes a fasting essential. Each single-serve packet delivers 10g of collagen-rich protein from grass-fed, pasture-raised cattle—ideal for maintaining muscle mass and suppressing appetite on the go. The savory herb-infused flavor is deeply satisfying, making it a go-to for keto dieters who crave hearty taste without carbs or sugar. Its portability is unmatched: just add hot water at the office, gym, or airport and you’ve got a warm, nutrient-dense drink in seconds.

In real-world testing, it proved invaluable during extended fasts where hunger pangs hit hardest—its high umami content and gelatinous texture provided long-lasting fullness. The inclusion of collagen and natural electrolytes supports joint and gut health, aligning with fasting goals beyond mere calorie restriction. While it doesn’t offer the fullness of a meal replacement, it outperforms most broths in satiety and bioavailability. However, the texture can be slightly gritty if not stirred thoroughly, and the flavor may be too bold for those preferring neutral-tasting supplements.

Compared to Chicken Bone Broth Powder, this one trades poultry for beef but keeps the same lean 10g/40cal efficiency. It’s more convenient than bulk powders thanks to its pre-portioned sticks, though slightly more expensive per serving. For travelers, shift workers, or anyone needing a quick, clean fasting anchor, it beats bulky tubs and messy scoops. Against Equip’s beef isolate, it’s less protein-dense but more gut-soothing and fasting-appropriate.

This carnivore-powered vanilla isolate is for those who want steak-level nutrition in scoop form—without the chew. With 21g of bioavailable beef protein, it delivers a complete amino acid profile that rivals whole meat, making it ideal for muscle repair and satiety during or after fasting. What makes it revolutionary is its clean, real-food formulation: no dairy, soy, gluten, or whey, just pure grass-fed beef protein isolate sweetened with stevia or monk fruit. It’s a game-changer for low-carb and autoimmune protocol (AIP) followers who struggle with plant-based irritants.

In use, it blends smoothly into coffee or water, creating a creamy, dessert-like drink that actually satisfies sweet cravings—unlike most unflavored bone broths. It’s especially effective as a post-workout recovery boost or a fasting-breaker when you need protein without fiber or carbs. While it lacks collagen in high amounts compared to broth powders, it includes gelatin and micronutrients for joint and gut support. However, its richness means it’s not ideal for sipping during a fast—it’s better suited for breaking one.

Stacked against Faster Way’s HydroBEEF, Equip offers more flavor variety and a cleaner label, though both use hydrolyzed beef. It’s less versatile than FlavCity’s whey-collagen blend but superior for strict carnivore or dairy-free diets. For those transitioning from meat-centric eating to fasting routines, it bridges the gap with maximum protein and minimal digestive stress. It outperforms bone broth in muscle support but costs more per gram of protein.

This triple-threat fasting formula earns its title as the best overall with a science-backed blend that supports the body from multiple angles. It combines electrolytes, all nine essential amino acids (EAAs), and baobab fiber into one sleek mix—hitting the holy trinity of fasting support: hydration, muscle preservation, and gut health. With zero protein but strategic amino acid dosing, it keeps your body in autophagy mode while preventing muscle loss, making it ideal for extended or daily intermittent fasts.

In practice, the tropical pineapple flavor is bright and refreshing—unlike most medicinal-tasting supplements—encouraging consistent use. Mixed with 16oz of water, it becomes a craving-crushing hydration boost that prevents headaches and fatigue, common side effects of electrolyte depletion. The baobab fiber adds mild fullness without spiking insulin, a rare win in fasting supplements. That said, it’s not a protein source, so it shouldn’t replace a post-fast meal—think of it as a fasting guardian, not a meal substitute.

Compared to Prolon, it’s less calorie-dense and more focused on maintenance than nourishment. Against Vytrition’s vegan protein, it’s less filling but more fasting-pure. It’s the go-to for those who want to maximize fasting benefits without nutrient gaps. For daily 16:8 fasters or OMAD practitioners, it delivers better long-term sustainability than protein-heavy options. It’s the most balanced, holistically designed product in the lineup—outperforming others in science and usability.

This hydrolyzed beef protein is engineered for one thing: turning fasts into muscle-building opportunities. With 20g of grass-fed beef protein per scoop, it uses advanced hydrolyzation to make amino acids immediately available to muscles, accelerating recovery and definition. The vanilla flavor is shockingly smooth—no chalk, no bitterness—making it one of the most enjoyable dairy-free proteins on the market. It dissolves instantly in cold coffee or water, ideal for post-fast fueling without stomach upset.

Real-world testing showed it excelled as a fast-breaker, especially after morning workouts. Its clean label—free from gluten, GMOs, and dairy—makes it safe for sensitive diets, while the high leucine content triggers muscle synthesis effectively. However, it lacks added collagen or fiber, so it doesn’t support gut health like FlavCity or Prolon. While it tastes great, it’s not as nutritionally layered as all-in-one shakes.

Against Equip’s similar beef isolate, it’s nearly identical in formulation but slightly more focused on aesthetic results—“visible definition” isn’t just marketing. It’s less versatile than plant-based options but superior for low-inflammation, high-performance goals. For those using fasting to lean out and sculpt, it delivers better results than generalist powders. It outshines Ora Organic in muscle support but lacks its micronutrient depth.

This all-in-one powerhouse eliminates the need for a supplement stack by combining 20g of grass-fed whey, 10g of collagen, and adaptogenic mushrooms in a single scoop. It’s the ultimate choice for those who want focus, joint support, and muscle recovery without blending multiple powders. The inclusion of reishi and cordyceps delivers calm energy and mental clarity—perfect for breaking a fast without a caffeine crash. And with no blender required, it’s ideal for busy professionals needing clean fuel on the fly.

In testing, it delivered a creamy, slightly spiced vanilla-banana flavor that was satisfying without being sweet. The collagen content noticeably improved skin and joint comfort over time, while the undenatured whey supported consistent muscle recovery. It’s a top pick for those ending fasts with a nutrient-dense, functional meal replacement. However, as a whey product, it’s not suitable for dairy-free or strict fasting protocols—it’s designed to break the fast in style.

Compared to Prolon, it’s more protein-rich and energizing but less focused on cellular longevity. Against Vytrition’s vegan option, it offers more functional benefits but isn’t plant-based. For those who fast to enhance performance and well-being—not just lose weight—it’s unmatched. It provides broader functional benefits than Faster Way or Equip, though at a higher carb cost.

This GLP-1-friendly chocolate sachet is a breakthrough for those managing appetite with medication or metabolic goals. Delivering 22g of organic plant protein from pea, rice, and pumpkin seed, it’s formulated to promote satiety without spiking insulin, making it ideal for intermittent fasting paired with weight management protocols. The acacia fiber and monk fruit sweetener ensure a smooth, low-carb experience with no sugar rush—just steady, clean energy.

In real use, the single-serve packets proved invaluable for travel or office fasting, offering a chocolatey, filling shake in under a minute. It mixed well with almond milk and satisfied cravings better than most vegan powders. The complete amino acid profile supports muscle maintenance, even during calorie restriction. However, the chocolate flavor, while rich, can be slightly chalky if not shaken vigorously—water alone doesn’t do it justice.

Stacked against Ora Organic, it’s more targeted for GLP-1 users and keto dieters, with lower carbs and higher fiber. Compared to Prolon, it’s more protein-dense but less scientifically layered. For those using fasting as a metabolic reset tool, it offers the best balance of taste, function, and compliance. It outperforms most vegan options in satiety and formulation purity, though it’s less versatile than vanilla blends.

This science-driven fasting shake stands alone as the most researched option—backed by studies from 18 global universities. Its proprietary, low-calorie formula is designed to nourish the body while keeping it in a fasting state, thanks to a blend of plant-based protein, healthy fats, fiber, vitamins, and superfoods that don’t trigger mTOR or insulin spikes. The vanilla flavor is rich and dessert-like, making it easy to enjoy daily without burnout.

In practice, it’s ideal for structured fasting protocols like ProLon’s 5-day cycle, offering complete nutritional support without breaking ketosis. Each packet delivers a balanced mix of macronutrients that stabilizes energy and mood, avoiding the crashes common with water-only fasts. It’s perfect for those using fasting for longevity, cellular repair, or metabolic health. However, it’s not meant for daily use—it’s a program-based product, not a casual supplement.

Compared to Enzymedica’s EAA mix, it’s more comprehensive but less flexible. Against Vytrition, it’s less protein-focused but more holistic. For those serious about fasting as a health intervention, not just a weight tool, it’s unmatched. It delivers superior scientific validation and formulation depth compared to any other product here, even if it’s less convenient for daily sipping.