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O teu guia sobre seringas estéreis 30G

30G is the gauge most people land on when a pharmacy needle feels too thick and a 31G feels too fragile for the volume they need to draw. This site collects what we have learned from running an EU sterile-syringe supplier — what the gauge number really means, when 30G is the right pick, and the small handling details that decide whether an injection feels like nothing or stings for an hour.

We do not sell syringes here. The articles below are the same notes we send first-time buyers when they email us with a "which size do I order" question. If you decide a 30G is what you want, you can pick up a sterile pack from our shop site, injectkit.com — but please read first. Wrong gauge for the job is the most common reason people give up on self-injection.

For a heavier-gauge alternative used to draw thicker oils, see our sister site 29-g.com. For ultra-fine GLP-1 pen needles, see 31-g.com.

verified_userRevisto por editor com formação clínica linkFontes citadas em cada artigo placeSediada na UE · editorial independente

Recent articles

Practical, source-cited writing on 30G sterile syringes — from the team that ships them across the EU.

Sharps Injury Prevention for Home Users: Best Practices

Sharps safety

Sharps Injury Prevention for Home Users: Best Practices

How to prevent needlestick injuries at home: single-handed scoop rule, never recap, when not to bend, immediate response if it happens, and what HSE / OSHA / WHO…

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Diabetes in Cats: Which Insulin Syringe and How to Dose Correctly

Veterinary

Diabetes in Cats: Which Insulin Syringe and How to Dose Correctly

Diabetes in cats — choosing the right U-40 insulin syringe, drawing the dose cleanly, sterile technique and safe disposal. A complete UK practical guide.

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How to Inject Properly: Subcutaneous Self-Injection Step by Step

Self injection

How to Inject Properly: Subcutaneous Self-Injection Step by Step

How to inject properly — sterile prep, the actual stick technique, site rotation and disposal for subcutaneous self-injection. UK practical guide.

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29G, 30G, 31G: How to Actually Pick a Needle Gauge

Needle gauge

29G, 30G, 31G: How to Actually Pick a Needle Gauge

29G vs 30G vs 31G — how needle gauge actually works, why the number is backwards, and why 30G is the default for self-injection. UK practical guide.

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Sharps Disposal at Home: A UK and EU Guide for Self-Injectors

Sharps bin

Sharps Disposal at Home: A UK and EU Guide for Self-Injectors

Sharps bin and needle disposal guide for the UK and EU — NHS yellow-bin rules, BS EN ISO 23907-1 standard, pharmacy take-back schemes and how to choose the right size.

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U-100 vs U-40 Insulin Syringes: Why Pets Need a Different Scale

Veterinary

U-100 vs U-40 Insulin Syringes: Why Pets Need a Different Scale

U-40 vs U-100 insulin syringes explained — why veterinary insulin uses a different scale, why mixing them up is dangerous, and how to pick the right one.

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storefront Need supplies?

When you have read enough — sterile 30G packs ship from the EU.

If you decide 30G is the right gauge for your routine, our sister shop sends sterile, individually-blistered syringes from Spain across the EU and UK. Free shipping over €50.

Shop 30G syringes at injectkit.com arrow_forward
Imogen Whitcombe — Editor

Imogen Whitcombe

Editor · 30-g.com

Who writes here

30-g.com is the content arm of InjectKit, an EU sterile-syringe supplier operated by meeco Servicios Globales S.L. (CIF B42774703, Alicante, Spain). Articles are written by people who handle these syringes daily — and reviewed against the manufacturer's IFU before publication.

If you spot something wrong in an article, email [email protected] and a human will read it. See our editorial policy for the full version.

place EU-based verified Sterile-syringe supplier edit_note Independent editorial link Sources in every article

Perguntas frequentes

Tudo o que precisa de saber antes de encomendar.

Será que 30G é o calibre certo para mim? expand_more

O calibre 30 é o mais comum para uso pessoal — fino o suficiente para conforto e robusto o suficiente para não dobrar. Se a sua prescrição indicar outro calibre, siga o conselho do seu médico. Para 29G ou 31G, visite o nosso site irmão injectkit.com.

Quando chegará a minha encomenda? expand_more

As encomendas são enviadas desde Espanha e chegam em 2-3 dias úteis à maioria dos países UE. O número de rastreio chega por email assim que o pacote sai.

Como é etiquetada a embalagem? expand_more

Envelope almofadado neutro. O remetente aparece como meeco SL, sem nomes de produtos, termos clínicos ou marcas visíveis no exterior. Só você sabe o que está dentro.

Qual é a política de devolução? expand_more

Embalagens fechadas e seladas podem ser devolvidas em 14 dias após a entrega para reembolso total. Por motivos de higiene não aceitamos devoluções de embalagens abertas. Escreva para [email protected] para iniciar uma devolução.

É um suprimentos? expand_more

Sim. As nossas seringas são suprimentos com certificação de qualidade, em conformidade com o Regulamento UE de Dispositivos Médicos (RDM 2017/745). Esterilizadas com óxido de etileno e embaladas individualmente. Cada lote é rastreável até ao fabricante.

Enviam para fora da UE? expand_more

Sim. Enviamos para todos os países da UE, Suíça, Noruega e Reino Unido. Os prazos fora da UE podem ser ligeiramente mais longos (3–7 dias úteis) e podem aplicar-se direitos aduaneiros.