CompleteGreens™ (Comprehensive Greens Base)

Evidence Level
Limited
1 Clinical Trial
3 Documented Benefits
2/5 Evidence Score

CompleteGreens™ (NNB Nutrition) is a comprehensive greens base blend designed as a formulator ingredient for supplement brands building greens powders, superfood blends, and daily wellness products. Unlike MitoGreens® (mitochondria-focused) or standard token greens ingredients, CompleteGreens™ provides broad-spectrum coverage of vegetable, fruit, algae, and botanical categories for complete phytonutrient support. As a B2B ingredient designed for manufacturers, CompleteGreens™ allows brands to include a research-backed, standardized greens complex without developing their own blend.

Studied Dose 3–8g/day comprehensive greens blend; specific CompleteGreens™ dosing per NNB product specifications and formulation guidelines
Active Compound Proprietary comprehensive greens blend — typically includes wheatgrass, barley grass, spirulina, chlorella, spinach, kale, broccoli, and related vegetable/algae sources; NNB CompleteGreens™ specific formulation proprietary

Complete phytonutrient and micronutrient coverage

A comprehensive greens blend provides a wide range of fat-soluble vitamins (A, K1, K2, E), water-soluble vitamins (folate, B vitamins, C), trace minerals (iron, zinc, magnesium), and thousands of phytochemicals (flavonoids, carotenoids, chlorophyll, glucosinolates) in a single convenient ingredient — addressing common micronutrient gaps in modern diets.

Alkalizing and pH balance support

High-protein and high-carbohydrate diets, intense exercise, and modern processed food consumption all contribute to mild metabolic acidosis. Concentrated greens blends provide a strong alkalizing effect through mineral-rich plant foods and organic acids that buffer excess dietary acid load, supporting kidney function, bone mineral retention, and overall metabolic health.

Immune and antioxidant support

Spirulina, chlorella, and cruciferous greens provide beta-glucans, phycocyanin, sulforaphane precursors, and concentrated chlorophyll — compounds with documented immune modulation, NK cell activation, and antioxidant enzyme induction activity. Regular greens consumption is associated with reduced all-cause mortality in large epidemiological studies.

1

Nrf2 activation and phase II enzyme induction

Cruciferous vegetables in greens blends (broccoli, kale, cabbage) provide glucoraphanin — converted to sulforaphane by myrosinase — which potently activates the Nrf2/ARE pathway. This master antioxidant switch upregulates glutathione synthesis (GCL, GSS), Phase II detoxification enzymes (NQO1, HO-1), and antioxidant response genes that protect cells from oxidative and chemical stress.

1
Comprehensive Greens Blend and Health Markers — Clinical Review
PubMed

Clinical evidence review examining greens powder supplementation effects on antioxidant status, blood pressure, inflammatory markers, and energy levels across multiple human studies.

Multiple adult populations across studies. Supplementation periods 4–12 weeks.

Consistent evidence for improved serum antioxidant capacity, reduced blood pressure (3–5 mmHg), reduced inflammatory markers, and improved subjective energy and well-being with comprehensive greens supplementation. Note: general greens blend evidence — specific CompleteGreens™ RCT data not available as a B2B ingredient.

Common Potential side effects

Generally very well tolerated
GI adjustment (bloating, gas) common in first 1–2 weeks — start with half serving
Check for allergens (gluten in wheatgrass, soy in some blends)
Vitamin K content relevant for anticoagulant users

Important Drug interactions

Warfarin — vitamin K in greens blends may affect INR; maintain consistent greens intake and monitor
Thyroid medications (levothyroxine) — goitrogens in raw cruciferous greens; take thyroid medication separately from greens
Iron absorption — chlorophyll and oxalates may reduce iron absorption; take iron supplements separately