Nutrition Q&A: Deficits, Creatine, Gut Health and Appetite
This Q&A covers a mix of practical nutrition topics, including fat loss phases, creatine use, fibre intake on weight loss medication, resistant starch, IBS-style symptoms, greens powders, food intolerances and appetite changes across the menstrual cycle.
How Long Should a Deficit Last Before a Maintenance Break?
There is no perfect timeline for a calorie deficit. However, for many people, an 8-12 week deficit phase can work well before moving into a period at maintenance calories.
A deficit comes with trade-offs. Over time, hunger can increase, the desire to eat can become stronger, metabolic rate may reduce, and incidental movement can decrease. There can also be a psychological cost, especially when the deficit starts to feel hard to maintain around normal life.
However, this does not mean everyone needs to stop dieting after 12 weeks. Some people stay in a deficit for much longer and still achieve great results, especially when they have more weight to lose and can manage the process well.
Instead of using a strict rule, the best approach is to assess the person, their goal, their lifestyle, and what they can realistically maintain. Events, holidays, motivation, progress and overall wellbeing can all influence when a maintenance phase makes sense.
Can You Put Creatine in a Hot Drink?
Yes, creatine can be added to hot drinks like coffee or tea. Creatine monohydrate is fairly stable in heat, so mixing it into a warm drink will not destroy it straight away.
The main issue is prolonged heat exposure. Over time, creatine can convert to creatinine, which is not the useful form for performance. Because of this, it is best to drink it soon after mixing, ideally within 10-15 minutes. Alternatively, letting the drink cool slightly before adding creatine can also help.
Warm liquids may also help creatine dissolve better. This can make it easier to drink, especially for people who dislike the gritty texture when mixing creatine into cold water.
Ultimately, consistency matters most. If adding creatine to a morning coffee helps someone remember to take it daily, that is likely better than skipping it.
Is German Creatine Better?
German creatine, often known as Creapure, has a reputation for strict quality control and purity testing. This is why some people view it as a premium option.
The concern with lower-quality creatine is not usually the creatine itself. Instead, people worry about unwanted by-products from the manufacturing process, such as creatinine, DCD or DHT. These can occur through poor processing, storage or synthesis.
That said, reputable supplement brands commonly achieve very high purity levels. Many products reach around 99.5-99.9% pure creatine and test well below safety thresholds for unwanted by-products.
From an outcomes perspective, German creatine does not appear to work better. If two products are both high-purity creatine monohydrate, they should produce the same result. Since premium creatine can cost much more, it may not be worth paying extra unless someone strongly values that specific testing standard.
How Can You Maintain Fibre Intake on Weight Loss Medication?
Weight loss medications can reduce appetite and slow gastric emptying. As a result, some people feel full quickly and find it harder to eat enough food overall. This can also make it harder to reach fibre targets.
A practical first step is to prioritise fibre earlier in the day, when appetite may be better. Choosing more compact fibre sources can also help. Examples include berries, fruit, nuts, seeds and small portions of legumes.
Large, bulky salads may feel too filling or uncomfortable, even though they can provide fibre. Therefore, spreading fibre across the day often works better than trying to fit it all into one large meal.
Fluid intake also matters, particularly because low fluid intake can worsen constipation or other gastrointestinal symptoms. In some cases, a fibre supplement such as psyllium husk may be useful, as it can add fibre without adding much food volume.
Do Active People Need More Carbs if Cooked and Cooled Carbs Contain Resistant Starch?
Probably not.
Cooking and cooling carbohydrate foods like rice, pasta and potatoes can increase resistant starch. Regular starch provides around four calories per gram, while resistant starch provides around two calories per gram.
However, the actual difference is usually small. For example, in 100 grams of rice, only a few grams of starch may convert to resistant starch. That might reduce the energy content by only a small amount.
For active people trying to meet higher carbohydrate needs, this is not usually worth adjusting for. The difference is too small to matter in most practical situations.
Are IBS-specific Probiotics Better Than General Probiotics?
IBS-specific probiotics often contain strains that have been studied in people with IBS-style symptoms. Common examples include Bifidobacterium bifidum, Lactobacillus plantarum and Lactobacillus acidophilus.
Broad-spectrum probiotics may still include some of these strains, but often at lower doses and alongside a wider range of bacteria.
One option is not always better than the other. Instead, they may suit different situations. If someone has IBS-style symptoms but otherwise feels their gut health is okay, an IBS-specific probiotic may be worth trialling. However, if the goal is to support overall gut health, especially after antibiotics or ongoing gut issues, a broader probiotic may be more appropriate.
It is best to trial one probiotic at a time. Stay consistent for at least four weeks, and if there is no improvement after around 12 weeks, it may not be worth continuing.
Are Greens Powders Useful for Fussy Eaters?
Greens powders can act as a small nutritional safety net for very fussy eaters. They may help cover some micronutrient gaps and, in some cases, provide a small amount of fibre.
However, they are not equal to vegetables. Greens powders usually contain less fibre than whole plant foods, and they do not offer the same variety that comes from eating a range of vegetables and other plant foods.
They can still be useful if someone would otherwise eat very few vegetables. However, if the powder is being added to a smoothie, it may be worth asking whether real fruit or vegetables could be added instead. That option may provide more fibre and cost less.
What Should You do if You Suspect Gluten, Dairy or Lactose Intolerance?
The first step is to avoid cutting everything out straight away.
If gluten seems like the issue, it is important to speak with a GP and test for coeliac disease before removing gluten. The test requires regular gluten intake. If someone removes gluten first, they may need to reintroduce it before testing, which can make the process harder.
If coeliac disease is ruled out, some people may still experience non-coeliac gluten sensitivity. However, symptoms may not come from gluten itself. Other components in these foods, such as FODMAPs, can also play a role. In this case, working with a dietitian can help identify the likely cause.
Lactose intolerance is different from dairy intolerance. Many people with lactose intolerance can still tolerate small amounts of lactose, yoghurt or hard cheese. Lactose-free products can also be an easy way to test whether lactose is the issue.
When trialling changes, it is best to change one thing at a time and keep the rest of the diet stable. This makes it easier to identify what is actually causing symptoms.
Should You Start a Diet with a More Aggressive Deficit?
Starting with a more aggressive deficit can work for some people, but it comes down to personal preference.
The logic makes sense. Dieting often feels easier at the start, when hunger is lower and motivation is higher. As someone gets leaner, the deficit can become harder due to changes in hunger, movement, metabolic rate and the desire to eat.
There is also an argument that muscle retention may be easier when someone has more body fat. Therefore, some people prefer to push harder at the start, then reduce the deficit as they get leaner.
However, this approach does not automatically lead to better outcomes. Some people may find it mentally harder to adjust calories later, even if the plan makes sense on paper. Others may do better with a steadier and more moderate deficit from the beginning.
Ultimately, there are multiple ways to reach the same goal. The best choice depends on the person and what they can follow consistently.
Why Does Appetite Increase Before Your Period?
Appetite changes across the menstrual cycle are normal. Many people notice stronger hunger or cravings during the luteal phase, which is the week or so before their period.
During this phase, progesterone is higher, and the body may use slightly more energy as it prepares for menstruation. For some people, this may mean needing around 100-300 extra calories per day.
Cravings for foods like chocolate or carbohydrates are not always random. They can have a physiological component, as the body may seek more energy-dense foods during this phase.
Rather than fighting it completely, it can help to plan for it. Adding a little extra to meals or including an extra small snack may make this phase easier to manage without going overboard.