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Best Supplements to Support Weight Loss
Taking weight loss injections? Learn which supplements can help support energy, skin, muscle and nutrition while eating less.
What supplements should I take with Mounjaro, Ozempic, or Wegovy?
Read our article to find out the best supplements to support weight loss injections…
If you’re using Mounjaro, Ozempic or Wegovy, you’ll probably recognise the shift. Less food noise. Fewer cravings. A sense of calm and control that feels genuinely liberating. For many women, it’s not about restriction – it’s about freedom and feeling more confident.
But when your appetite changes, you no doubt have a few questions. In fact, we spoke to women using weight loss injections about what really matters to them, and one theme kept coming up: nutrition. Many are juggling multiple supplements (often costing over £100 a month) just to feel covered.
This article looks at the best supplements to support weight loss, why they matter, and how to approach them sensibly, alongside real food.
*This article was reviewed by our senior scientist, Dr Dave Reilly , in January 2026
Why would I need to take supplements to support weight loss injections?
Weight loss injections work by reducing appetite and slowing digestion. For many people, that means eating less – sometimes much less – than before. And while weight change can be intentional and positive, not eating enough food can also make it harder to consistently hit your nutritional needs. Protein intake often drops first. Fibre can fall away when meals get smaller. Vitamins and minerals that rely on regular, varied eating patterns can become patchy. Over time, this may show up as low energy, changes in muscle tone, skin or hair changes, or impact on your digestion. That’s where supplements that support weight loss can play a role – not as a replacement for food, but as nutritional support during a period of change. In fact, they’re most effective when paired with a balanced, nutrient-dense diet that prioritises protein, plants, healthy fats, and regular hydration.
6 essential supplements to take with Mounjaro, Ozempic, or Wegovy?
1. Collagen
Collagen is the body’s main structural protein. It’s the scaffolding that keeps skin feeling firm, hair looking healthy, and joints moving comfortably. It’s also something we naturally make less of as we get older. Add weight change into the mix and skin can feel like it’s playing catch-up, with elasticity and firmness shifting as your body adjusts.
By taking collagen supplements, you can help support your skin structure and hair health while you’re using weight loss injections. But don’t just take our word for it, our clinical study revealed that 60% of participants experienced a boost in skin elasticity, while 90% agreed that their skin felt replenished and restored.
