THE SUPPLEMENT DESK / MEN 40+
We look at the ingredient form, the amount you actually get, and the evidence behind the claim. Start with our analysis, then compare the labels.
OUR EDITORIAL PICK · COMPLETE FORMULA
A disclosed 4 g of L-citrulline, 2.5 g of arginine nitrate, plus ginseng and vitamin C. Our preferred combination for readers seeking amino acid and nitrate ingredients in one daily drink.
Why it leads our shortlist ↗*Brand-reported estimate; supplier assay not reviewed. Our pick reflects formula composition and dose disclosure. Clinical superiority has not been established. Better Man Report and JOYMODE share ownership.
HOW WE READ A FORMULA
01 / Ingredient formBeetroot weight, nitrate content and arginine nitrate are different quantities.
02 / Disclosed doseA proprietary blend gives a total. It does not tell you each ingredient’s amount.
03 / Relevant evidenceAn ingredient study and a trial of the finished formula answer different questions.
THE REVIEWS
Published-label analysis.
No hands-on or clinical testing implied.
16 reviews
Labels checked Sep 2026
JOYMODE / Powder
Our pick for a complete formula: 4 g citrulline, 2.5 g arginine nitrate, ginseng and vitamin C, with individually listed featured amounts.
The review focus Four featured actives individually disclosed; nitrate yield is a brand estimate.
Beet It Sport / Shots
A concentrated beetroot shot with a stated dietary nitrate amount, rather than just a beetroot weight.
The review focus 400 mg dietary nitrate per 70 ml shot; beetroot and lemon juice proportions disclosed.
Berkeley Life / Capsules
A dietary-nitrate capsule formula. Compare the current ingredient panel with beetroot powders and amino acid blends.
The review focus Proprietary blend 500 mg; component weights undisclosed. A separate FAQ gives a nitrate range without clearly identifying this current formula.
Cardio Miracle / Powder
A powder combining three proprietary blends with separately listed vitamins and other actives. A 60-serving pouch provides 30 days at the brand’s routine.
The review focus Three proprietary blends disclose totals, not component weights; vitamins and several other actives have separate amounts.
Force Factor / Powder
Beetroot and betaine nitrate in a daily drink mix. A different formula from the brand’s chews and tablets.
The review focus Superblend totals 5,000 mg, with both components disclosed: beetroot 3,000 mg and betaine nitrate 2,000 mg.
HumanN / Dissolving tablets
A dissolving tablet with citrulline and sodium nitrite inside a proprietary blend. Its blend total is not a nitrate dose.
The review focus Proprietary Nitric Oxide Blend 420 mg; component amounts undisclosed. Vitamins C and B12 disclosed.
HumanN / Chews
Beetroot plus grape seed extract in a portable chew. Review sugar and serving size alongside the active ingredients.
The review focus Beetroot 500 mg and Enovita grape seed extract 150 mg individually disclosed; nitrate yield not stated.
HumanN / Powder
The powder counterpart to SuperBeets Heart Chews, with beetroot ingredients and a different label.
The review focus Beetroot and fermented beetroot amounts undisclosed; nutrition values shown separately.
Juvenon / Capsules
Nitrosigine, resveratrol and BioPerine with a proprietary S7 botanical blend. Compare the full two-capsule serving with the higher-dose XXXL version.
The review focus Nitrosigine, resveratrol and BioPerine individually disclosed; S7 is a proprietary botanical blend with only its total disclosed.
Juvenon / Capsules
A higher-dose counterpart to original BloodFlow-7, with a six-capsule serving and 1,500 mg Nitrosigine.
The review focus Nitrosigine, resveratrol and BioPerine individually disclosed; S7 is a proprietary botanical blend with only its total disclosed.
Life Extension / Powder
A focused arginine-silicate powder with a disclosed 1,500 mg Nitrosigine serving.
The review focus Nitrosigine 1,500 mg disclosed; this is a complex weight, not pure L-arginine.
N1O1 / Dissolving tablets
A dissolving lozenge with sodium nitrite in a proprietary blend. Review per-lozenge amounts and daily directions separately.
The review focus Proprietary blend 220 mg; sodium nitrite amount undisclosed. Vitamin C and magnesium separately listed.
Nutricost / Powder
Plain L-citrulline with a clearly stated dose. A useful baseline for assessing what a branded blend adds.
The review focus Single active ingredient: L-citrulline base 3,000 mg per serving.
Snap Supplements / Capsules
Citrulline, arginine and botanicals in a 1,500 mg proprietary complex. Individual amounts are undisclosed; niacin is listed separately.
The review focus Proprietary Nitric Oxide Complex 1,500 mg; individual amounts and subgroup totals undisclosed. Niacin 10 mg NE separately listed.
UMZU / Capsules
A botanical and vitamin formula with garlic, pine bark and milk-derived peptides. A different approach from citrulline powders.
The review focus All six featured ingredient amounts individually disclosed per 3 capsules; not a proprietary-dose blend.
UMZU / Capsules
A changed Redwood formula with Fitnox, tart cherry and resveratrol. The current page recommends two capsules daily.
The review focus Featured actives disclosed; Fitnox is a proprietary botanical blend with only its 250 mg total disclosed.
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