Natural and Vegetarian Protein Powder


SPIRU-TEIN® Gold Protein Shakes and SPIRU-TEIN® Protein Shakes
Get the Natural Energy You Need to Live Life at your Speed


Learn More About SPIRU-TEIN


Nature's Plus best-selling line of SPIRU-TEIN High Protein Energy Shakes delivers world-famous incredibly delicious taste sensations while unleashing peak performance and revitalizing natural energy!


World renowned for an incredibly diverse selection of luscious flavors and energizing, revitalizing nutrition, SPIRU-TEIN vegetarian protein powder shakes have become the premier protein drink for quality-driven, health-conscious consumers. Fused with 100% of the Daily Value of all vitamins and a broad profile of minerals, energy nutrients, diet aids, enzymes, cleansing nutrients and fiber, SPIRU-TEIN is the world’s most complete high protein energy meal.

Powerful, invigorating nutrition to revitalize your life:


  • Tri-Part Protein or Gold Standard Protein vegetarian protein powders
  • Whey Protein
  • low-glycemic Simply Natural (Tri-Part vegetarian protein or whey) variations

There are more than 25 luscious SPIRU-TEIN protein powder flavors to satisfy your appetite! The silky, smooth texture and indulgent, decadent flavors impart pure sensory delight! One taste is all it takes to realize why SPIRU-TEIN is the world’s greatest energizing protein shake ever!

Original SPIRU-TEIN vegetarian protein powder is the only shake with an impressive 25+ years history of loyal customer satisfaction. SPIRU-TEIN’s dedication to time-honored, proven quality delivers the healthful, energizing fulfillment you need to revitalize your senses and enjoy life to the fullest!


SPIRU-TEIN is a Healthy Heart Food

A rigorous evaluation by the U.S government has validated what many have known for years: cardiovascular fitness – soy protein (25g daily), combined with a diet low in saturated fat and cholesterol, may help reduce the risk of heart disease. Each serving of SPIRU-TEIN provides 6.25 grams of soy protein.


Tri-Part Protein: We're proud of our pioneering patent-pending, non-GMO natural protein powder blend of rice protein, pea protein, and both non-fermented and fermented soy to give you the very best natural source of plant-based energy and exceptional nutrition.


Original SPIRU-TEIN Shake vegetarian protein powder:


  • is for anyone seeking total health and vitality
  • features 14g of protein derived from nature’s premier vegetarian sources – soy, rice and pea (our unique proprietary Tri-Part Protein blend)
  • revitalizes both body and mind
  • enhances health, supercharges energy levels, and inspires peak performance
  • offers more than 25 incredibly delicious varieties, including refreshing, succulent fruit flavors and sinfully indulgent dessert flavors!


Simply Natural SPIRU-TEIN is, simply, natural – and uniquely versatile. Available in 5 smooth, silky flavor bases, it’s the unsweetened version of Original SPIRU-TEIN (with just 5 grams of carbs and 80 calories per serving). Make it your own special shake with favorite flavors, ingredients, and sweeteners of your choice!


SPIRU-TEIN GOLD is the ultimate, energizing, soy-free vegetarian protein powder formula (with Gold Standard chia, rice, pea and flax proteins for optimal digestibility and complete nutrition. SPIRU-TEIN GOLD is sweetened with xylitol to benefit low-glycemic dieters or anyone who wishes to eliminate sugars from the diet. In tantalizingly delicious flavors such as Banana Berry Blast and Chocolate Cherry, SPIRU-TEIN GOLD builds on the solid foundation of Original SPIRU-TEIN, with more healthful nutrients and supplying higher levels of natural energy than ever before!


Whey Protein

SPIRU-TEIN Whey Shake High Protein Powder SPIRU-TEIN Whey is packed with the same high-powered profile of vitamins, minerals, diet aids, enzymes, spirulina and fiber as classic SPIRU-TEIN, yielding great-tasting, energy-enhancing shakes that support total health and vitality. Fueled with 14 grams of micro-filtered whey protein, SPIRU-TEIN Whey gives you energy to burn. With the signature nutrients and outstanding taste of SPIRU-TEIN, SPIRU-TEIN Whey is the pinnacle of whey protein energy meals!


SPIRU-TEIN Whey Sweetened for Low-Glycemic Diets

Now you can supercharge low-glycemic diets with the power of whey protein! From the first silky, creamy sip, you realize that Sweetened for Low-Glycemic Diets SPIRU-TEIN Whey is no ordinary protein shake. Its luscious, old-fashioned shake taste rewards you with sensory bliss – smooth, velvety texture and rich, deep flavor.