A 1% topical from a 100 mg vial reconstituted in 5 mL would mean roughly 0.5 mL (10 mg) blended into 1 g of finished base
Glutathione supplement can be taken orally in a plain powder form, Liposomal glutathione (400-800 mg/day) is a good example of oral supplementation
Research-use-only labeling and an age check on the product page

You should contact your GP or diabetes specialist nurse if you experience: Unexplained rashes, blistering, or skin discolouration Severe sunburn that seems disproportionate to sun exposure Skin reactions that appear shortly after sun exposure and persist Any skin changes accompanied by fever, malaise, or feeling generally unwell Injection site reactions that worsen, spread, or do not resolve within a few days Signs of skin infection such as increasing redness, warmth, swelling, or pus Seek urgent medical attention if you develop: Call 999 for symptoms of severe allergic reaction (anaphylaxis) including difficulty breathing, swelling of the face, tongue or throat Contact 111 or attend A&E for blistering or peeling skin affecting large areas of the body Skin changes accompanied by severe pain or systemic symptoms For other serious Ozempic side effects , seek urgent medical care if you experience sudden, severe and persistent abdominal pain (which may radiate to your back), with or without vomiting, as this could indicate acute pancreatitis
