Umzu Redwood Review

Umzu Redwood is marketed as a dietary supplement built to support blood flow, using naturally sourced ingredients to boost circulation and immune health — or so the company claims.

Beyond anecdotal customer feedback, is there genuine data backing a nitric oxide support product like this? Our research team looked into the ingredients and the company behind them.

What Is Umzu Redwood?

Taken twice daily, Redwood is marketed as a natural nitric oxide enhancer — a molecule crucial to healthy blood circulation. The company claims this scientifically formulated blend supports immune health, blood pressure regulation, stamina, and physical performance.

The formula includes a substantial vitamin C dose, garlic, various botanical extracts, and milk proteins, which UMZU claims work together to naturally boost nitric oxide production and circulatory health — manufacturer claims worth weighing against the underlying research.

• Circulation: a 2019 American Heart Association journal article found improved cardiorespiratory function genuinely reduces broader health risks.
• Nutrients: a strong immune system genuinely helps combat inflammation and oxidative stress.
• SportMont: a 2019 Russian study on biathletes found increased stamina genuinely produced positive physical fitness changes.

Who Makes Umzu Redwood?

UMZU LLC, based in Boulder, Colorado, was founded by Christopher Walker in 2015. A neuroscience student at Duke University, Walker began this venture after facing a personal pituitary gland issue affecting his hormonal balance. Using Duke’s research resources, he sought a natural solution — a search that eventually shaped his broader product philosophy.

Interest from students following his work pushed him toward two goals: research-backed supplements and support for female hormonal health. He assembled a team of experts and founded Umzu in 2015 around science-backed information and products.

Walker holds the distinction of graduating Duke with a Neuroscience degree in just three years. Umzu has since grown into a business generating over $20 million in annual sales, with Redwood — a nitric oxide (N.O.) supplement — as one of its core products.

Umzu Redwood Customer Service and Reviews

Umzu’s unclaimed Trustpilot profile shows a 2.9 out of 5.0 TrustScore from 8 reviews. Retail feedback:

• Umzu website: 4.9/5.0 stars (3,500+ reviews)
• Amazon: 4.3/5.0 stars (8,200+ ratings)
• Walmart: 4.1/5.0 stars (under 10 reviews)

Contact: UMZU LLC, 6325 Spine Road, Boulder, CO 80301. Email: help@umzu.com. Business hours Mon-Fri 10am-4pm ET; no phone number listed, though the company does callbacks from contact forms.

The Relationship Between Umzu and the Better Business Bureau

UMZU LLC holds an A+ BBB rating without accreditation, averaging 2.0 out of 5.0 stars across 12 reviews. Twenty complaints closed over the past three years, with one resolved in the last 12 months.

What Umzu Redwood Claims Did We Find?

Redwood claims to boost nitric oxide levels, supporting blood flow, heart health, energy, and immune function, with additional claimed benefits spanning lower blood pressure, better circulation, improved digestion, sharper cognitive function, and fat loss.

What Are the Umzu Redwood Ingredients?

Each three-capsule serving includes:

• Vitamin C 1,000mg
• Garlic Root Odorless Powder 300mg
• Horse Chestnut Seed Extract 250mg
• Casein Hydrolysate 125mg
• Pine Bark Extract 100mg
• L-Leucine 75mg

Only vitamin C has an established %DV, at 1,111% per serving. Capsules also contain rice powder, gelatin, and purified water.

Does Umzu Redwood Work? Benefits

Vitamin C is the most abundant nutrient at 1,000mg per serving. Per Functional Foods in Health and Disease, it genuinely offers broad health benefits at optimal doses of 90-500mg daily, with negligible risk at higher amounts.

Garlic root powder, dosed at 300mg, shows antioxidant activity genuinely comparable to vitamin C per the Journal of Pharmacognosy and Phytochemistry — a plausible immune-health contributor.

Horse chestnut seed extract, at 250mg, targets the product’s circulation claims directly. Per the Cochrane Library, it’s genuinely effective and safe for short-term treatment of certain cardiovascular issues.

Casein hydrolysate, a milk-derived amino acid blend at 125mg, is intended to lower blood pressure by widening blood vessels. Per Nutrition Research Reviews, evidence for milk proteins genuinely supporting vascular health is growing, but not yet fully conclusive.

Pine bark extract, at 100mg, is marketed for anti-inflammatory, antimicrobial, and antioxidant effects. A 2019 systematic review in Food Science & Technology highlights genuine therapeutic and antioxidant potential.

What About Umzu Redwood and Weight Loss?

Garlic root powder likely doesn’t burn fat directly, but per Current Nutrition & Food Science, it may genuinely lower several lipid metabolism markers tied to obesity.

Pine bark extract shows more direct promise — per Acta Medica Iranica, a two-month, 38-person study of obese women found genuine improvements in body composition, central obesity markers, and metabolic syndrome indicators.

Are There Potential Umzu Redwood Side Effects?

No serious side effects turned up in the research, though some reviews mention bloating, diarrhea, stomach pain, headaches, and heartburn. Blood sugar and blood pressure levels may also be affected.

How to Take Umzu Redwood

Can I Take With…

Where to Buy Umzu Redwood and the Cost

Not sold at nutrition retailers like GNC, but available in 30-day supplies at:

• Umzu website: $45.94 one-time / $34.46 (25% off with subscription)
• Amazon storefront: $52.95 one-time / $47.66 (10-15% off with subscription or multi-bottle purchase)
• Walmart: $52.95

Pros and Cons

Pros

• 60-day money-back guarantee
• May genuinely support circulation
• Short, focused ingredient list

Cons

• Six-capsule daily dose
• Could interact with certain medications

What’s the Bottom Line on Umzu Redwood?

Umzu Redwood offers a genuinely reasonable set of natural ingredients for nitric oxide support, with plausible benefits for blood flow and immune health. It’s not carried at stores like GNC but is widely available online. Anyone with circulatory or metabolic concerns should use extra caution before starting.

Redwood won’t spark significant weight loss on its own. For that, a comprehensive, clinically-backed program with personalized coaching and a dedicated support system will typically deliver more meaningful, lasting results.

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