GlyNAC, 120 capsules
£22.99 for 120 capsules at Healf. It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.
At one 3 g dose a day, this pack lasts 10 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
Glycine
- Servings: 120 ÷ 2 per serving = 60
- In the pack: 60 × 500 mg = 30 g
- £22.99 ÷ 30 g × 3 g = £2.30 per 3 g
- A week £2.30 × 7 = £16.09 · a month × 30 = £68.97 · a year × 365 = £839.14
- Amount per serving: stated on the label.
N-Acetyl Cysteine
- Servings: 120 ÷ 2 per serving = 60
- In the pack: 60 × 500 mg = 30 g
- £22.99 ÷ 30 g × 600 mg = 46p per 600 mg
- A week 46p × 7 = £3.22 · a month × 30 = £13.79 · a year × 365 = £167.83
- Amount per serving: stated on the label.
The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.
How it compares: glycine
All 12, ranked →
Ranked purely by price per 3 g. 34 combination products also contain glycine.
How it compares: N-Acetyl Cysteine NAC
All 28, ranked →
Ranked purely by price per 600 mg. 44 combination products also contain N-Acetyl Cysteine.
On the label
- Glycine · Glycine
- 500 mg per serving (stated on the label)
- N-Acetyl Cysteine · NAC
- 500 mg per serving (stated on the label)
- Pack
- 120 capsules · 60 servings · 2 capsule(s) a serving
- Cost per serving
- 38p (60 servings in the pack)
More label details
- Claimed on the listing
- vegetarian
- Sold by
- Healf
- What the listing says
- “120 caps” · “Servings Per Container 60” · “Serving Size 2 Capsules” · “Glycine ; 500mg”
Ingredients
Glycine and N-Acetyl Cysteine
From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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One 3 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 2 capsules.
What you paid
Optional. At Healf today: £22.99.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £22.99Healf
- First recorded
- £22.991 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £22.99
Questions about this product
How much does Longevity Box GlyNAC cost per 3 g?
£2.30 per 3 g, from £22.99 for 120 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
10 days at one 3 g dose. The pack holds 30 g in total.
How much does Longevity Box GlyNAC cost per 600 mg?
46p per 600 mg, from £22.99 for 120 capsules at Healf, checked on 20 October 2026.
How long does one pack last?
50 days at one 600 mg dose. The pack holds 30 g in total.
About Longevity Box
All 16 Longevity Box products, priced per dose
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